| San Vito al Tagliamento to Oberkirch | 288.86 mi (464.88 km) |
| San Vito al Tagliamento to Obernburg am Main | 322.27 mi (518.65 km) |
| San Vito al Tagliamento to Obernkirchen | 471.29 mi (758.47 km) |
| San Vito al Tagliamento to Oberschleissheim | 173.50 mi (279.23 km) |
| San Vito al Tagliamento to Oberstdorf | 161.04 mi (259.17 km) |
| San Vito al Tagliamento to Obertraubling | 214.33 mi (344.94 km) |
| San Vito al Tagliamento to Obertshausen | 342.92 mi (551.88 km) |
| San Vito al Tagliamento to Oberursel | 357.16 mi (574.79 km) |
| San Vito al Tagliamento to Ochsenfurt | 289.84 mi (466.45 km) |
| San Vito al Tagliamento to Ochsenhausen | 203.56 mi (327.60 km) |
| San Vito al Tagliamento to Ochtrup | 505.49 mi (813.50 km) |
| San Vito al Tagliamento to Odenthal | 441.51 mi (710.54 km) |
| San Vito al Tagliamento to Oelde | 462.39 mi (744.14 km) |
| San Vito al Tagliamento to Oelsnitz | 313.73 mi (504.90 km) |
| San Vito al Tagliamento to Oer-Erkenschwick | 471.71 mi (759.14 km) |
