| Phoenixville to Olivares | 3,643.13 mi (5,863.06 km) |
| Phoenixville to Olivenza | 3,558.85 mi (5,727.41 km) |
| Phoenixville to Olot | 3,910.39 mi (6,293.16 km) |
| Phoenixville to Onate | 3,659.47 mi (5,889.36 km) |
| Phoenixville to Onda | 3,850.30 mi (6,196.47 km) |
| Phoenixville to Onteniente | 3,869.48 mi (6,227.32 km) |
| Phoenixville to Orihuela | 3,876.43 mi (6,238.51 km) |
| Phoenixville to Osuna | 3,700.49 mi (5,955.37 km) |
| Phoenixville to Ourense | 3,422.63 mi (5,508.18 km) |
| Phoenixville to Oviedo | 3,491.46 mi (5,618.96 km) |
| Phoenixville to Paiporta | 3,859.55 mi (6,211.34 km) |
| Phoenixville to Pajara | 3,530.67 mi (5,682.07 km) |
| Phoenixville to Palafolls | 3,938.28 mi (6,338.05 km) |
| Phoenixville to Palafrugell | 3,949.51 mi (6,356.12 km) |
| Phoenixville to Palamos | 3,950.17 mi (6,357.19 km) |
