| River Falls to Odenton (Maryland) | 909.01 mi (1,462.91 km) |
| River Falls to Odessa (Texas) | 1,038.25 mi (1,670.90 km) |
| River Falls to Ogden (Utah) | 1,005.81 mi (1,618.70 km) |
| River Falls to Oildale (California) | 1,530.19 mi (2,462.60 km) |
| River Falls to Ojus (Florida) | 1,478.78 mi (2,379.87 km) |
| River Falls to Okemos (Michigan) | 435.58 mi (701.00 km) |
| River Falls to Oklahoma City (Oklahoma) | 698.12 mi (1,123.51 km) |
| River Falls to Okmulgee (Oklahoma) | 663.21 mi (1,067.33 km) |
| River Falls to Olathe (Kansas) | 428.13 mi (689.01 km) |
| River Falls to Old Jamestown (Missouri) | 433.07 mi (696.96 km) |
| River Falls to Oldsmar (Florida) | 1,284.13 mi (2,066.61 km) |
| River Falls to Olean (New York) | 736.01 mi (1,184.50 km) |
| River Falls to Olive Branch (Mississippi) | 699.56 mi (1,125.83 km) |
| River Falls to Olivehurst (California) | 1,529.98 mi (2,462.27 km) |
| River Falls to Olney (Maryland) | 888.82 mi (1,430.42 km) |
