| Caledonia to Nuth | 4,159.04 mi (6,693.32 km) |
| Caledonia to Oegstgeest | 4,061.25 mi (6,535.95 km) |
| Caledonia to Oirschot | 4,116.21 mi (6,624.41 km) |
| Caledonia to Oisterwijk | 4,109.53 mi (6,613.65 km) |
| Caledonia to Oldebroek | 4,103.37 mi (6,603.73 km) |
| Caledonia to Oldenzaal | 4,145.19 mi (6,671.03 km) |
| Caledonia to Ommen | 4,119.40 mi (6,629.54 km) |
| Caledonia to Oosterend | 4,089.24 mi (6,580.99 km) |
| Caledonia to Oosterhout | 4,094.83 mi (6,589.99 km) |
| Caledonia to Oosterwolde | 4,097.69 mi (6,594.59 km) |
| Caledonia to Oostzaan | 4,067.42 mi (6,545.88 km) |
| Caledonia to Opmeer | 4,060.31 mi (6,534.44 km) |
| Caledonia to Oss | 4,114.39 mi (6,621.48 km) |
| Caledonia to Oud-Beijerland | 4,071.89 mi (6,553.07 km) |
| Caledonia to Oudenbosch | 4,084.58 mi (6,573.49 km) |
