| Nea Filadelfeia to Oberkirch | 1,066.61 mi (1,716.55 km) |
| Nea Filadelfeia to Obernburg am Main | 1,088.09 mi (1,751.12 km) |
| Nea Filadelfeia to Obernkirchen | 1,209.18 mi (1,945.99 km) |
| Nea Filadelfeia to Oberschleissheim | 932.79 mi (1,501.18 km) |
| Nea Filadelfeia to Oberstdorf | 938.78 mi (1,510.82 km) |
| Nea Filadelfeia to Obertraubling | 949.80 mi (1,528.55 km) |
| Nea Filadelfeia to Obertshausen | 1,108.79 mi (1,784.43 km) |
| Nea Filadelfeia to Oberursel | 1,123.54 mi (1,808.16 km) |
| Nea Filadelfeia to Ochsenfurt | 1,049.21 mi (1,688.54 km) |
| Nea Filadelfeia to Ochsenhausen | 979.70 mi (1,576.68 km) |
| Nea Filadelfeia to Ochtrup | 1,262.33 mi (2,031.52 km) |
| Nea Filadelfeia to Odenthal | 1,209.48 mi (1,946.46 km) |
| Nea Filadelfeia to Oelde | 1,215.27 mi (1,955.79 km) |
| Nea Filadelfeia to Oelsnitz | 1,026.82 mi (1,652.50 km) |
| Nea Filadelfeia to Oer-Erkenschwick | 1,233.54 mi (1,985.19 km) |
