| Antwerp to Olympia Heights (Florida) | 4,632.03 mi (7,454.53 km) |
| Antwerp to Omaha (Nebraska) | 4,464.51 mi (7,184.94 km) |
| Antwerp to On Top of the World Designated Place (Florida) | 4,542.48 mi (7,310.42 km) |
| Antwerp to Onalaska (Wisconsin) | 4,162.48 mi (6,698.86 km) |
| Antwerp to Oneida (New York) | 3,614.41 mi (5,816.84 km) |
| Antwerp to Oneonta (New York) | 3,617.85 mi (5,822.36 km) |
| Antwerp to Ontario (California) | 5,577.24 mi (8,975.69 km) |
| Antwerp to Ontario (Oregon) | 4,981.97 mi (8,017.71 km) |
| Antwerp to Opa-locka (Florida) | 4,619.57 mi (7,434.48 km) |
| Antwerp to Opelika (Alabama) | 4,490.53 mi (7,226.81 km) |
| Antwerp to Opelousas (Louisiana) | 4,865.95 mi (7,830.98 km) |
| Antwerp to Orange (California) | 5,597.60 mi (9,008.46 km) |
| Antwerp to Orange (Texas) | 4,952.70 mi (7,970.60 km) |
| Antwerp to Orange City (Florida) | 4,509.64 mi (7,257.57 km) |
| Antwerp to Orangeburg (South Carolina) | 4,266.74 mi (6,866.66 km) |
