| Phoenixville to Nuth | 3,805.78 mi (6,124.82 km) |
| Phoenixville to Oegstgeest | 3,716.63 mi (5,981.34 km) |
| Phoenixville to Oirschot | 3,767.07 mi (6,062.51 km) |
| Phoenixville to Oisterwijk | 3,760.93 mi (6,052.63 km) |
| Phoenixville to Oldebroek | 3,766.24 mi (6,061.18 km) |
| Phoenixville to Oldenzaal | 3,810.07 mi (6,131.72 km) |
| Phoenixville to Ommen | 3,784.69 mi (6,090.86 km) |
| Phoenixville to Oosterend | 3,758.59 mi (6,048.86 km) |
| Phoenixville to Oosterhout | 3,745.73 mi (6,028.16 km) |
| Phoenixville to Oosterwolde | 3,767.62 mi (6,063.40 km) |
| Phoenixville to Oostzaan | 3,726.82 mi (5,997.74 km) |
| Phoenixville to Opmeer | 3,722.80 mi (5,991.27 km) |
| Phoenixville to Oss | 3,768.77 mi (6,065.25 km) |
| Phoenixville to Oud-Beijerland | 3,723.14 mi (5,991.81 km) |
| Phoenixville to Oudenbosch | 3,733.82 mi (6,008.99 km) |
