| Weirton to Nuth | 3,993.60 mi (6,427.08 km) |
| Weirton to Oegstgeest | 3,901.19 mi (6,278.37 km) |
| Weirton to Oirschot | 3,953.36 mi (6,362.31 km) |
| Weirton to Oisterwijk | 3,947.01 mi (6,352.10 km) |
| Weirton to Oldebroek | 3,948.39 mi (6,354.31 km) |
| Weirton to Oldenzaal | 3,991.67 mi (6,423.97 km) |
| Weirton to Ommen | 3,966.06 mi (6,382.76 km) |
| Weirton to Oosterend | 3,938.46 mi (6,338.35 km) |
| Weirton to Oosterhout | 3,931.93 mi (6,327.83 km) |
| Weirton to Oosterwolde | 3,947.33 mi (6,352.61 km) |
| Weirton to Oostzaan | 3,910.03 mi (6,292.59 km) |
| Weirton to Opmeer | 3,904.93 mi (6,284.38 km) |
| Weirton to Oss | 3,953.85 mi (6,363.11 km) |
| Weirton to Oud-Beijerland | 3,909.14 mi (6,291.16 km) |
| Weirton to Oudenbosch | 3,920.55 mi (6,309.51 km) |
