This 33.3-mile drive from Otterville, MO to Blackwater, MO is a straightforward, short excursion perfect for a single day. Expect the journey to take approximately 55 minutes, with a modest fuel cost estimated at $5. You'll primarily navigate MO 135 and MO A, with a segment on the U.S. Submarine Veterans' Memorial Highway contributing to about 35% of your total mileage on main roads. This route stays within the Midwest region, offering a familiar driving experience. Given its brevity, no overnight stops are necessary; it's an easy trip to fit into a single day's itinerary without feeling rushed.
Main Roads
Road
Distance
Duration
MO 135
11.8 mi
20m
MO A
10.3 mi
18m
U.S. Submarine Veterans' Memorial Highway
7.7 mi
8m
MO K
3.1 mi
7m
Boonville Street
0.1 mi
<1m
Main Street
—
—
Some road-level metrics are being recalculated.
Longest stretch:
MO 135
— 11.8 mi, about 20m
Turn-by-Turn Driving Directions
Step-by-step road directions between Otterville, MO and Blackwater, MO.
1
Start on MO BB
0.1 mi·22 sec·Boonville Street
2
At end of road, turn left onto MO A
2.4 mi·4 min·MO A
3
Continue on MO A
7.8 mi·13 min·MO A
4
Continue on MO 135
12 mi·20 min·MO 135
5
Take the ramp
0.2 mi·27 sec
Toward I 70 West, US 40 West: Kansas City
6
Merge onto I 70; US 40
7.7 mi·8 min·U.S. Submarine Veterans' Memorial Highway
7
Take the exit
0.2 mi·23 sec
Exit 89Toward MO K: Blackwater
8
Turn right onto MO K
158 ft·8 sec·MO K
9
Continue on MO K
0.1 mi·24 sec·MO K
10
Turn right onto MO K
2.9 mi·6 min·MO K
11
Arrive at destination
MO K
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
The midpoint is around 16.7 miles from Otterville, MO, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 6
5 decision points cluster between mile 0.1 and 30.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.1 mi into trip|~0m in|MO A
At end of road, turn left onto MO A
Navigation decision point
6
22.2 mi into trip|~39m in
Take the ramp toward I 70 West, US 40 West: Kansas City
Multiple destination signs - pick the right one
Toward I 70 West, US 40 West: Kansas City
5
30 mi into trip|~48m in
Take the exit toward MO K: Blackwater
Exit ramp - move to the correct lane early
Exit 89
Toward MO K: Blackwater
4
30.3 mi into trip|~48m in|MO K
Turn right onto MO K
Navigation decision point
4
30.4 mi into trip|~49m in|MO K
Turn right onto MO K
Navigation decision point
Fuel & Cost
Regular Gas
$4.92 one way
$9.84 round trip
$3.75/gal25.4 MPG avg12 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.14
$5.43
$10.86
premium
$4.72
$6.18
$12.37
diesel
$4.80
$6.29
$12.58
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 11.7 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $4 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
10
0
$3.50
$1.60
Efficient EV
8.3
0
$2.91
$1.33
EV Truck/SUV
13.3
0
$4.66
$2.13
Gas CO2
12 kg
EV CO2
4 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 6, 2026
Origin
Otterville, MO
Morning
in Otterville on Tuesday
Local time
9:56 AM
CDT
Current temp
68°F
Chance Showers And Thunderstorms then Partly Cloudy
N 1 to 5 mph27% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 5 at 7:27PM CDT by NWS Kansas City/Pleasant Hill MO
Destination
Blackwater, MO
Morning
in Blackwater on Tuesday
Local time
9:56 AM
CDT
Current temp
67°F
Chance Showers And Thunderstorms then Partly Cloudy
NNE 1 to 5 mph30% chanceLive forecast
Special Weather Statement
Special Weather Statement issued July 5 at 7:27PM CDT by NWS Kansas City/Pleasant Hill MO
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
55m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
The character of this drive is best described as a mixed bag, with about 35% of the total distance utilizing main roads. You'll experience a 11.8-mile stretch on MO 135, which is the longest uninterrupted section, offering a chance to settle into a consistent pace. The profile suggests a 'mixed drive,' indicating a blend of road types rather than a monotonous highway. Expect the scenery and road conditions to shift as you transition between MO 135, MO A, and the U.S. Submarine Veterans' Memorial Highway, keeping your time behind the wheel engaging.
35% highway, the rest on surface roads — varied driving throughout.
11 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 11.8 mi on MO 135.
How Hard Is This Drive?
2/10
This route mixes highway mileage with some local-road sections near the start or finish. Navigation is very simple - set it and forget it for most of the drive. The trickiest moment comes around 0.1 miles in near MO A.
Driving Effort2/10
Very easy - short and simple to drive
Balances navigation complexity with total wheel time.
The drive from Otterville, MO to Blackwater, MO is easy. At 55m with 35% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (MO A): Navigation decision point; at 22.2 miles: Multiple destination signs - pick the right one; at 30 miles: Exit ramp - move to the correct lane early.
Elevation Profile
Mostly flat terrain
895 ft615 ft
Total Climb
294 ft
Total Descent
407 ft
Highest Point
895 ft
~9.5 mi in
Elevation Range
280 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Otterville, MO to Blackwater, MO, road signs begin pointing toward Mo K: Blackwater along the way.
The longest stretch is about 11.8 miles on MO 135. The full list of main roads is in the Roads section above.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.1 miles (MO A): Navigation decision point; at 22.2 miles: Multiple destination signs - pick the right one; at 30 miles: Exit ramp - move to the correct lane early.
Yes. A round trip is manageable in a single day if you plan a break at Blackwater, MO before heading back.
