| Seligenstadt to Oria | 780.80 mi (1,256.57 km) |
| Seligenstadt to Oristano | 699.98 mi (1,126.51 km) |
| Seligenstadt to Orta Nova | 683.11 mi (1,099.35 km) |
| Seligenstadt to Orte | 548.00 mi (881.93 km) |
| Seligenstadt to Ortona | 590.67 mi (950.59 km) |
| Seligenstadt to Orvieto | 527.04 mi (848.18 km) |
| Seligenstadt to Orzinuovi | 323.26 mi (520.24 km) |
| Seligenstadt to Osimo | 500.29 mi (805.13 km) |
| Seligenstadt to Ospitaletto | 313.62 mi (504.73 km) |
| Seligenstadt to Ostuni | 765.51 mi (1,231.97 km) |
| Seligenstadt to Ottaviano | 687.98 mi (1,107.19 km) |
| Seligenstadt to Ovada | 373.00 mi (600.28 km) |
| Seligenstadt to Ozieri | 652.82 mi (1,050.62 km) |
| Seligenstadt to Paceco | 851.14 mi (1,369.78 km) |
| Seligenstadt to Pachino | 969.44 mi (1,560.17 km) |
