| Bolsward to Olympia Heights (Florida) | 4,649.97 mi (7,483.41 km) |
| Bolsward to Omaha (Nebraska) | 4,430.41 mi (7,130.05 km) |
| Bolsward to On Top of the World Designated Place (Florida) | 4,551.27 mi (7,324.56 km) |
| Bolsward to Onalaska (Wisconsin) | 4,130.44 mi (6,647.30 km) |
| Bolsward to Oneida (New York) | 3,605.65 mi (5,802.73 km) |
| Bolsward to Oneonta (New York) | 3,611.36 mi (5,811.92 km) |
| Bolsward to Ontario (California) | 5,521.10 mi (8,885.36 km) |
| Bolsward to Ontario (Oregon) | 4,915.01 mi (7,909.95 km) |
| Bolsward to Opa-locka (Florida) | 4,637.36 mi (7,463.11 km) |
| Bolsward to Opelika (Alabama) | 4,487.90 mi (7,222.58 km) |
| Bolsward to Opelousas (Louisiana) | 4,855.95 mi (7,814.90 km) |
| Bolsward to Orange (California) | 5,541.40 mi (8,918.02 km) |
| Bolsward to Orange (Texas) | 4,940.57 mi (7,951.07 km) |
| Bolsward to Orange City (Florida) | 4,520.41 mi (7,274.89 km) |
| Bolsward to Orangeburg (South Carolina) | 4,269.92 mi (6,871.78 km) |
