| Dixon to Olympia Heights (Florida) | 2,557.80 mi (4,116.38 km) |
| Dixon to Omaha (Nebraska) | 1,375.59 mi (2,213.80 km) |
| Dixon to On Top of the World Designated Place (Florida) | 2,341.12 mi (3,767.67 km) |
| Dixon to Onalaska (Wisconsin) | 1,626.24 mi (2,617.17 km) |
| Dixon to Oneida (New York) | 2,406.25 mi (3,872.48 km) |
| Dixon to Oneonta (New York) | 2,442.82 mi (3,931.34 km) |
| Dixon to Ontario (California) | 384.61 mi (618.97 km) |
| Dixon to Ontario (Oregon) | 460.31 mi (740.79 km) |
| Dixon to Opa-locka (Florida) | 2,556.15 mi (4,113.73 km) |
| Dixon to Opelika (Alabama) | 2,073.51 mi (3,337.00 km) |
| Dixon to Opelousas (Louisiana) | 1,771.12 mi (2,850.35 km) |
| Dixon to Orange (California) | 390.84 mi (628.99 km) |
| Dixon to Orange (Texas) | 1,694.19 mi (2,726.54 km) |
| Dixon to Orange City (Florida) | 2,400.34 mi (3,862.97 km) |
| Dixon to Orangeburg (South Carolina) | 2,296.75 mi (3,696.26 km) |
