| Massillon to Nuth | 4,013.47 mi (6,459.06 km) |
| Massillon to Oegstgeest | 3,920.23 mi (6,308.99 km) |
| Massillon to Oirschot | 3,972.83 mi (6,393.65 km) |
| Massillon to Oisterwijk | 3,966.43 mi (6,383.35 km) |
| Massillon to Oldebroek | 3,966.73 mi (6,383.84 km) |
| Massillon to Oldenzaal | 4,009.84 mi (6,453.22 km) |
| Massillon to Ommen | 3,984.19 mi (6,411.93 km) |
| Massillon to Oosterend | 3,956.20 mi (6,366.90 km) |
| Massillon to Oosterhout | 3,951.39 mi (6,359.14 km) |
| Massillon to Oosterwolde | 3,965.02 mi (6,381.08 km) |
| Massillon to Oostzaan | 3,928.69 mi (6,322.62 km) |
| Massillon to Opmeer | 3,923.30 mi (6,313.94 km) |
| Massillon to Oss | 3,972.99 mi (6,393.91 km) |
| Massillon to Oud-Beijerland | 3,928.57 mi (6,322.41 km) |
| Massillon to Oudenbosch | 3,940.16 mi (6,341.07 km) |
