| Port Charlotte to Nuth | 4,709.75 mi (7,579.61 km) |
| Port Charlotte to Oegstgeest | 4,627.55 mi (7,447.32 km) |
| Port Charlotte to Oirschot | 4,674.33 mi (7,522.60 km) |
| Port Charlotte to Oisterwijk | 4,668.63 mi (7,513.44 km) |
| Port Charlotte to Oldebroek | 4,681.05 mi (7,533.43 km) |
| Port Charlotte to Oldenzaal | 4,725.47 mi (7,604.91 km) |
| Port Charlotte to Ommen | 4,700.69 mi (7,565.02 km) |
| Port Charlotte to Oosterend | 4,677.37 mi (7,527.49 km) |
| Port Charlotte to Oosterhout | 4,653.34 mi (7,488.83 km) |
| Port Charlotte to Oosterwolde | 4,686.62 mi (7,542.39 km) |
| Port Charlotte to Oostzaan | 4,640.09 mi (7,467.50 km) |
| Port Charlotte to Opmeer | 4,638.01 mi (7,464.15 km) |
| Port Charlotte to Oss | 4,678.26 mi (7,528.93 km) |
| Port Charlotte to Oud-Beijerland | 4,631.33 mi (7,453.41 km) |
| Port Charlotte to Oudenbosch | 4,640.54 mi (7,468.23 km) |
