| Isola del Liri to Oerlinghausen | 747.23 mi (1,202.56 km) |
| Isola del Liri to Oestrich-Winkel | 633.96 mi (1,020.26 km) |
| Isola del Liri to Offenburg | 543.37 mi (874.48 km) |
| Isola del Liri to Oftersheim | 583.37 mi (938.84 km) |
| Isola del Liri to Ohrdruf | 646.38 mi (1,040.25 km) |
| Isola del Liri to Ohringen | 555.66 mi (894.25 km) |
| Isola del Liri to Olbernhau | 621.07 mi (999.51 km) |
| Isola del Liri to Olching | 463.79 mi (746.39 km) |
| Isola del Liri to Oldenburg | 830.22 mi (1,336.10 km) |
| Isola del Liri to Oldenburg in Holstein | 880.65 mi (1,417.28 km) |
| Isola del Liri to Olfen | 752.31 mi (1,210.73 km) |
| Isola del Liri to Olpe | 700.28 mi (1,127.00 km) |
| Isola del Liri to Olsberg | 710.21 mi (1,142.97 km) |
| Isola del Liri to Oranienburg | 765.37 mi (1,231.74 km) |
| Isola del Liri to Ortenberg | 637.16 mi (1,025.40 km) |
