| Fiano Romano to Oberkirch | 491.31 mi (790.69 km) |
| Fiano Romano to Obernburg am Main | 555.39 mi (893.81 km) |
| Fiano Romano to Obernkirchen | 716.48 mi (1,153.06 km) |
| Fiano Romano to Oberschleissheim | 423.30 mi (681.24 km) |
| Fiano Romano to Oberstdorf | 379.66 mi (611.01 km) |
| Fiano Romano to Obertraubling | 470.24 mi (756.77 km) |
| Fiano Romano to Obertshausen | 574.68 mi (924.86 km) |
| Fiano Romano to Oberursel | 587.45 mi (945.41 km) |
| Fiano Romano to Ochsenfurt | 531.11 mi (854.74 km) |
| Fiano Romano to Ochsenhausen | 427.95 mi (688.72 km) |
| Fiano Romano to Ochtrup | 738.15 mi (1,187.94 km) |
| Fiano Romano to Odenthal | 665.17 mi (1,070.49 km) |
| Fiano Romano to Oelde | 699.70 mi (1,126.06 km) |
| Fiano Romano to Oelsnitz | 570.39 mi (917.96 km) |
| Fiano Romano to Oer-Erkenschwick | 701.23 mi (1,128.51 km) |
