| Valkenswaard to Olympia Heights (Florida) | 4,674.75 mi (7,523.28 km) |
| Valkenswaard to Omaha (Nebraska) | 4,496.79 mi (7,236.89 km) |
| Valkenswaard to On Top of the World Designated Place (Florida) | 4,583.78 mi (7,376.89 km) |
| Valkenswaard to Onalaska (Wisconsin) | 4,195.24 mi (6,751.59 km) |
| Valkenswaard to Oneida (New York) | 3,652.38 mi (5,877.94 km) |
| Valkenswaard to Oneonta (New York) | 3,656.27 mi (5,884.20 km) |
| Valkenswaard to Ontario (California) | 5,603.38 mi (9,017.77 km) |
| Valkenswaard to Ontario (Oregon) | 5,004.49 mi (8,053.95 km) |
| Valkenswaard to Opa-locka (Florida) | 4,662.27 mi (7,503.20 km) |
| Valkenswaard to Opelika (Alabama) | 4,529.81 mi (7,290.02 km) |
| Valkenswaard to Opelousas (Louisiana) | 4,903.82 mi (7,891.94 km) |
| Valkenswaard to Orange (California) | 5,623.72 mi (9,050.51 km) |
| Valkenswaard to Orange (Texas) | 4,990.14 mi (8,030.86 km) |
| Valkenswaard to Orange City (Florida) | 4,551.26 mi (7,324.54 km) |
| Valkenswaard to Orangeburg (South Carolina) | 4,307.06 mi (6,931.54 km) |
