| Meridian to Nuth | 5,046.87 mi (8,122.16 km) |
| Meridian to Oegstgeest | 4,940.78 mi (7,951.42 km) |
| Meridian to Oirschot | 4,999.77 mi (8,046.36 km) |
| Meridian to Oisterwijk | 4,992.61 mi (8,034.82 km) |
| Meridian to Oldebroek | 4,966.10 mi (7,992.17 km) |
| Meridian to Oldenzaal | 5,001.04 mi (8,048.40 km) |
| Meridian to Ommen | 4,976.52 mi (8,008.94 km) |
| Meridian to Oosterend | 4,941.33 mi (7,952.29 km) |
| Meridian to Oosterhout | 4,979.91 mi (8,014.39 km) |
| Meridian to Oosterwolde | 4,948.05 mi (7,963.11 km) |
| Meridian to Oostzaan | 4,939.22 mi (7,948.91 km) |
| Meridian to Opmeer | 4,927.09 mi (7,929.38 km) |
| Meridian to Oss | 4,991.71 mi (8,033.38 km) |
| Meridian to Oud-Beijerland | 4,958.06 mi (7,979.23 km) |
| Meridian to Oudenbosch | 4,973.42 mi (8,003.95 km) |
