| Colton to Nuth | 5,627.99 mi (9,057.37 km) |
| Colton to Oegstgeest | 5,523.10 mi (8,888.57 km) |
| Colton to Oirschot | 5,581.59 mi (8,982.70 km) |
| Colton to Oisterwijk | 5,574.48 mi (8,971.26 km) |
| Colton to Oldebroek | 5,553.04 mi (8,936.75 km) |
| Colton to Oldenzaal | 5,590.06 mi (8,996.33 km) |
| Colton to Ommen | 5,564.98 mi (8,955.98 km) |
| Colton to Oosterend | 5,530.71 mi (8,900.82 km) |
| Colton to Oosterhout | 5,561.13 mi (8,949.77 km) |
| Colton to Oosterwolde | 5,537.93 mi (8,912.44 km) |
| Colton to Oostzaan | 5,523.56 mi (8,889.31 km) |
| Colton to Opmeer | 5,512.61 mi (8,871.69 km) |
| Colton to Oss | 5,575.10 mi (8,972.26 km) |
| Colton to Oud-Beijerland | 5,538.77 mi (8,913.80 km) |
| Colton to Oudenbosch | 5,553.56 mi (8,937.60 km) |
