| Phoenixville to Noventa Vicentina | 4,210.65 mi (6,776.38 km) |
| Phoenixville to Novi di Modena | 4,196.78 mi (6,754.06 km) |
| Phoenixville to Novi Ligure | 4,110.09 mi (6,614.56 km) |
| Phoenixville to Nuoro | 4,284.30 mi (6,894.91 km) |
| Phoenixville to Occhiobello | 4,224.89 mi (6,799.31 km) |
| Phoenixville to Oderzo | 4,234.35 mi (6,814.53 km) |
| Phoenixville to Oggiono | 4,101.28 mi (6,600.38 km) |
| Phoenixville to Olbia | 4,270.92 mi (6,873.38 km) |
| Phoenixville to Oleggio | 4,076.50 mi (6,560.49 km) |
| Phoenixville to Olgiate Comasco | 4,084.92 mi (6,574.05 km) |
| Phoenixville to Olgiate Olona | 4,086.15 mi (6,576.02 km) |
| Phoenixville to Omegna | 4,057.98 mi (6,530.68 km) |
| Phoenixville to Opera | 4,108.48 mi (6,611.96 km) |
| Phoenixville to Oppeano | 4,195.21 mi (6,751.54 km) |
| Phoenixville to Orbassano | 4,047.98 mi (6,514.59 km) |
