| Riverton to Nuth | 5,093.15 mi (8,196.64 km) |
| Riverton to Oegstgeest | 4,988.25 mi (8,027.82 km) |
| Riverton to Oirschot | 5,046.75 mi (8,121.96 km) |
| Riverton to Oisterwijk | 5,039.64 mi (8,110.52 km) |
| Riverton to Oldebroek | 5,018.23 mi (8,076.06 km) |
| Riverton to Oldenzaal | 5,055.30 mi (8,135.72 km) |
| Riverton to Ommen | 5,030.21 mi (8,095.35 km) |
| Riverton to Oosterend | 4,995.98 mi (8,040.25 km) |
| Riverton to Oosterhout | 5,026.29 mi (8,089.03 km) |
| Riverton to Oosterwolde | 5,003.21 mi (8,051.89 km) |
| Riverton to Oostzaan | 4,988.72 mi (8,028.56 km) |
| Riverton to Opmeer | 4,977.78 mi (8,010.96 km) |
| Riverton to Oss | 5,040.26 mi (8,111.51 km) |
| Riverton to Oud-Beijerland | 5,003.94 mi (8,053.07 km) |
| Riverton to Oudenbosch | 5,018.74 mi (8,076.88 km) |
