| Westervoort to Odessa (Texas) | 5,211.48 mi (8,387.06 km) |
| Westervoort to Ogden (Utah) | 5,003.77 mi (8,052.79 km) |
| Westervoort to Oildale (California) | 5,547.48 mi (8,927.81 km) |
| Westervoort to Ojus (Florida) | 4,666.04 mi (7,509.27 km) |
| Westervoort to Okemos (Michigan) | 4,001.39 mi (6,439.62 km) |
| Westervoort to Oklahoma City (Oklahoma) | 4,844.80 mi (7,796.96 km) |
| Westervoort to Okmulgee (Oklahoma) | 4,782.78 mi (7,697.14 km) |
| Westervoort to Olathe (Kansas) | 4,569.07 mi (7,353.21 km) |
| Westervoort to Old Jamestown (Missouri) | 4,407.25 mi (7,092.78 km) |
| Westervoort to Oldsmar (Florida) | 4,661.01 mi (7,501.18 km) |
| Westervoort to Olean (New York) | 3,805.28 mi (6,124.01 km) |
| Westervoort to Olive Branch (Mississippi) | 4,588.47 mi (7,384.42 km) |
| Westervoort to Olivehurst (California) | 5,400.15 mi (8,690.70 km) |
| Westervoort to Olney (Maryland) | 3,888.43 mi (6,257.82 km) |
| Westervoort to Olympia (Washington) | 4,958.14 mi (7,979.35 km) |
