| San Severo to Oberkirch | 590.84 mi (950.87 km) |
| San Severo to Obernburg am Main | 637.50 mi (1,025.96 km) |
| San Severo to Obernkirchen | 787.06 mi (1,266.65 km) |
| San Severo to Oberschleissheim | 489.58 mi (787.91 km) |
| San Severo to Oberstdorf | 467.69 mi (752.67 km) |
| San Severo to Obertraubling | 525.90 mi (846.36 km) |
| San Severo to Obertshausen | 657.96 mi (1,058.89 km) |
| San Severo to Oberursel | 671.92 mi (1,081.35 km) |
| San Severo to Ochsenfurt | 606.15 mi (975.50 km) |
| San Severo to Ochsenhausen | 514.32 mi (827.71 km) |
| San Severo to Ochtrup | 821.31 mi (1,321.78 km) |
| San Severo to Odenthal | 754.90 mi (1,214.89 km) |
| San Severo to Oelde | 778.66 mi (1,253.14 km) |
| San Severo to Oelsnitz | 621.82 mi (1,000.72 km) |
| San Severo to Oer-Erkenschwick | 786.84 mi (1,266.30 km) |
