| Trevignano to Oberkirch | 270.04 mi (434.59 km) |
| Trevignano to Obernburg am Main | 315.04 mi (507.01 km) |
| Trevignano to Obernkirchen | 471.00 mi (758.01 km) |
| Trevignano to Oberschleissheim | 175.64 mi (282.66 km) |
| Trevignano to Oberstdorf | 144.36 mi (232.33 km) |
| Trevignano to Obertraubling | 223.36 mi (359.46 km) |
| Trevignano to Obertshausen | 335.26 mi (539.54 km) |
| Trevignano to Oberursel | 348.97 mi (561.62 km) |
| Trevignano to Ochsenfurt | 286.53 mi (461.13 km) |
| Trevignano to Ochsenhausen | 190.70 mi (306.90 km) |
| Trevignano to Ochtrup | 499.16 mi (803.32 km) |
| Trevignano to Odenthal | 431.34 mi (694.18 km) |
| Trevignano to Oelde | 457.94 mi (736.98 km) |
| Trevignano to Oelsnitz | 323.60 mi (520.78 km) |
| Trevignano to Oer-Erkenschwick | 463.94 mi (746.64 km) |
