| San Vito al Tagliamento to Oerlinghausen | 460.29 mi (740.77 km) |
| San Vito al Tagliamento to Oestrich-Winkel | 361.74 mi (582.16 km) |
| San Vito al Tagliamento to Offenburg | 291.66 mi (469.37 km) |
| San Vito al Tagliamento to Oftersheim | 311.74 mi (501.70 km) |
| San Vito al Tagliamento to Ohrdruf | 354.27 mi (570.14 km) |
| San Vito al Tagliamento to Ohringen | 276.77 mi (445.42 km) |
| San Vito al Tagliamento to Olbernhau | 330.04 mi (531.15 km) |
| San Vito al Tagliamento to Olching | 174.86 mi (281.41 km) |
| San Vito al Tagliamento to Oldenburg | 541.98 mi (872.24 km) |
| San Vito al Tagliamento to Oldenburg in Holstein | 586.94 mi (944.59 km) |
| San Vito al Tagliamento to Olfen | 472.74 mi (760.81 km) |
| San Vito al Tagliamento to Olpe | 421.88 mi (678.95 km) |
| San Vito al Tagliamento to Olsberg | 426.28 mi (686.03 km) |
| San Vito al Tagliamento to Oranienburg | 473.88 mi (762.64 km) |
| San Vito al Tagliamento to Ortenberg | 354.40 mi (570.35 km) |
