| Nieuwegein to Olympia Heights (Florida) | 4,647.79 mi (7,479.89 km) |
| Nieuwegein to Omaha (Nebraska) | 4,456.03 mi (7,171.29 km) |
| Nieuwegein to On Top of the World Designated Place (Florida) | 4,554.05 mi (7,329.03 km) |
| Nieuwegein to Onalaska (Wisconsin) | 4,154.93 mi (6,686.71 km) |
| Nieuwegein to Oneida (New York) | 3,617.68 mi (5,822.10 km) |
| Nieuwegein to Oneonta (New York) | 3,622.18 mi (5,829.33 km) |
| Nieuwegein to Ontario (California) | 5,558.32 mi (8,945.26 km) |
| Nieuwegein to Ontario (Oregon) | 4,957.68 mi (7,978.62 km) |
| Nieuwegein to Opa-locka (Florida) | 4,635.26 mi (7,459.73 km) |
| Nieuwegein to Opelika (Alabama) | 4,496.82 mi (7,236.94 km) |
| Nieuwegein to Opelousas (Louisiana) | 4,868.88 mi (7,835.71 km) |
| Nieuwegein to Orange (California) | 5,578.66 mi (8,977.98 km) |
| Nieuwegein to Orange (Texas) | 4,954.65 mi (7,973.74 km) |
| Nieuwegein to Orange City (Florida) | 4,522.11 mi (7,277.63 km) |
| Nieuwegein to Orangeburg (South Carolina) | 4,275.68 mi (6,881.04 km) |
