| Fiano Romano to Oerlinghausen | 701.69 mi (1,129.26 km) |
| Fiano Romano to Oestrich-Winkel | 584.12 mi (940.04 km) |
| Fiano Romano to Offenburg | 490.57 mi (789.50 km) |
| Fiano Romano to Oftersheim | 533.84 mi (859.13 km) |
| Fiano Romano to Ohrdruf | 604.94 mi (973.56 km) |
| Fiano Romano to Ohringen | 508.35 mi (818.12 km) |
| Fiano Romano to Olbernhau | 588.32 mi (946.81 km) |
| Fiano Romano to Olching | 421.50 mi (678.34 km) |
| Fiano Romano to Oldenburg | 785.06 mi (1,263.43 km) |
| Fiano Romano to Oldenburg in Holstein | 841.98 mi (1,355.03 km) |
| Fiano Romano to Olfen | 703.78 mi (1,132.62 km) |
| Fiano Romano to Olpe | 651.66 mi (1,048.75 km) |
| Fiano Romano to Olsberg | 663.48 mi (1,067.76 km) |
| Fiano Romano to Oranienburg | 732.14 mi (1,178.26 km) |
| Fiano Romano to Ortenberg | 590.42 mi (950.20 km) |
