| Fort Oglethorpe to Nuth | 4,439.96 mi (7,145.42 km) |
| Fort Oglethorpe to Oegstgeest | 4,349.01 mi (6,999.05 km) |
| Fort Oglethorpe to Oirschot | 4,400.41 mi (7,081.78 km) |
| Fort Oglethorpe to Oisterwijk | 4,394.16 mi (7,071.72 km) |
| Fort Oglethorpe to Oldebroek | 4,397.24 mi (7,076.67 km) |
| Fort Oglethorpe to Oldenzaal | 4,440.76 mi (7,146.72 km) |
| Fort Oglethorpe to Ommen | 4,415.23 mi (7,105.63 km) |
| Fort Oglethorpe to Oosterend | 4,388.20 mi (7,062.13 km) |
| Fort Oglethorpe to Oosterhout | 4,379.02 mi (7,047.35 km) |
| Fort Oglethorpe to Oosterwolde | 4,397.14 mi (7,076.51 km) |
| Fort Oglethorpe to Oostzaan | 4,358.43 mi (7,014.21 km) |
| Fort Oglethorpe to Opmeer | 4,353.77 mi (7,006.72 km) |
| Fort Oglethorpe to Oss | 4,401.46 mi (7,083.46 km) |
| Fort Oglethorpe to Oud-Beijerland | 4,356.31 mi (7,010.81 km) |
| Fort Oglethorpe to Oudenbosch | 4,367.39 mi (7,028.63 km) |
