| Diksmuide to Olympia Heights (Florida) | 4,569.86 mi (7,354.49 km) |
| Diksmuide to Omaha (Nebraska) | 4,417.07 mi (7,108.58 km) |
| Diksmuide to On Top of the World Designated Place (Florida) | 4,482.30 mi (7,213.56 km) |
| Diksmuide to Onalaska (Wisconsin) | 4,114.38 mi (6,621.46 km) |
| Diksmuide to Oneida (New York) | 3,559.00 mi (5,727.66 km) |
| Diksmuide to Oneonta (New York) | 3,561.79 mi (5,732.15 km) |
| Diksmuide to Ontario (California) | 5,538.32 mi (8,913.07 km) |
| Diksmuide to Ontario (Oregon) | 4,948.34 mi (7,963.58 km) |
| Diksmuide to Opa-locka (Florida) | 4,557.44 mi (7,334.50 km) |
| Diksmuide to Opelika (Alabama) | 4,433.17 mi (7,134.50 km) |
| Diksmuide to Opelousas (Louisiana) | 4,810.53 mi (7,741.80 km) |
| Diksmuide to Orange (California) | 5,558.70 mi (8,945.87 km) |
| Diksmuide to Orange (Texas) | 4,897.88 mi (7,882.37 km) |
| Diksmuide to Orange City (Florida) | 4,449.01 mi (7,160.00 km) |
| Diksmuide to Orangeburg (South Carolina) | 4,207.95 mi (6,772.04 km) |
