| Fort Pierce to Nuth | 4,613.65 mi (7,424.94 km) |
| Fort Pierce to Oegstgeest | 4,532.58 mi (7,294.48 km) |
| Fort Pierce to Oirschot | 4,578.75 mi (7,368.78 km) |
| Fort Pierce to Oisterwijk | 4,573.13 mi (7,359.74 km) |
| Fort Pierce to Oldebroek | 4,586.65 mi (7,381.49 km) |
| Fort Pierce to Oldenzaal | 4,631.11 mi (7,453.05 km) |
| Fort Pierce to Ommen | 4,606.45 mi (7,413.37 km) |
| Fort Pierce to Oosterend | 4,583.62 mi (7,376.63 km) |
| Fort Pierce to Oosterhout | 4,557.84 mi (7,335.14 km) |
| Fort Pierce to Oosterwolde | 4,592.90 mi (7,391.56 km) |
| Fort Pierce to Oostzaan | 4,545.47 mi (7,315.23 km) |
| Fort Pierce to Opmeer | 4,543.71 mi (7,312.39 km) |
| Fort Pierce to Oss | 4,583.02 mi (7,375.65 km) |
| Fort Pierce to Oud-Beijerland | 4,535.94 mi (7,299.89 km) |
| Fort Pierce to Oudenbosch | 4,544.92 mi (7,314.34 km) |
