| Kelso to Nuth | 5,070.64 mi (8,160.41 km) |
| Kelso to Oegstgeest | 4,964.05 mi (7,988.87 km) |
| Kelso to Oirschot | 5,023.13 mi (8,083.95 km) |
| Kelso to Oisterwijk | 5,015.95 mi (8,072.40 km) |
| Kelso to Oldebroek | 4,983.69 mi (8,020.48 km) |
| Kelso to Oldenzaal | 5,015.83 mi (8,072.19 km) |
| Kelso to Ommen | 4,992.18 mi (8,034.14 km) |
| Kelso to Oosterend | 4,956.15 mi (7,976.16 km) |
| Kelso to Oosterhout | 5,004.13 mi (8,053.37 km) |
| Kelso to Oosterwolde | 4,962.21 mi (7,985.91 km) |
| Kelso to Oostzaan | 4,960.14 mi (7,982.57 km) |
| Kelso to Opmeer | 4,946.70 mi (7,960.94 km) |
| Kelso to Oss | 5,013.29 mi (8,068.11 km) |
| Kelso to Oud-Beijerland | 4,983.05 mi (8,019.44 km) |
| Kelso to Oudenbosch | 4,998.94 mi (8,045.02 km) |
