| Dakota Ridge to Olympia Heights (Florida) | 1,723.09 mi (2,773.04 km) |
| Dakota Ridge to Omaha (Nebraska) | 490.61 mi (789.56 km) |
| Dakota Ridge to On Top of the World Designated Place (Florida) | 1,485.63 mi (2,390.89 km) |
| Dakota Ridge to Onalaska (Wisconsin) | 774.85 mi (1,246.99 km) |
| Dakota Ridge to Oneida (New York) | 1,539.12 mi (2,476.97 km) |
| Dakota Ridge to Oneonta (New York) | 1,570.89 mi (2,528.11 km) |
| Dakota Ridge to Ontario (California) | 789.12 mi (1,269.96 km) |
| Dakota Ridge to Ontario (Oregon) | 680.62 mi (1,095.35 km) |
| Dakota Ridge to Opa-locka (Florida) | 1,719.32 mi (2,766.97 km) |
| Dakota Ridge to Opelika (Alabama) | 1,199.32 mi (1,930.12 km) |
| Dakota Ridge to Opelousas (Louisiana) | 967.46 mi (1,556.98 km) |
| Dakota Ridge to Orange (California) | 808.36 mi (1,300.92 km) |
| Dakota Ridge to Orange (Texas) | 918.39 mi (1,478.00 km) |
| Dakota Ridge to Orange City (Florida) | 1,541.78 mi (2,481.26 km) |
| Dakota Ridge to Orangeburg (South Carolina) | 1,406.73 mi (2,263.92 km) |
