| Vratsa to Obernburg am Main | 822.29 mi (1,323.35 km) |
| Vratsa to Obernkirchen | 914.64 mi (1,471.97 km) |
| Vratsa to Oberschleissheim | 674.03 mi (1,084.74 km) |
| Vratsa to Oberstdorf | 706.26 mi (1,136.61 km) |
| Vratsa to Obertraubling | 674.34 mi (1,085.24 km) |
| Vratsa to Obertshausen | 841.81 mi (1,354.76 km) |
| Vratsa to Oberursel | 856.30 mi (1,378.08 km) |
| Vratsa to Ochsenfurt | 779.80 mi (1,254.97 km) |
| Vratsa to Ochsenhausen | 736.90 mi (1,185.92 km) |
| Vratsa to Ochtrup | 978.86 mi (1,575.32 km) |
| Vratsa to Odenthal | 939.99 mi (1,512.77 km) |
| Vratsa to Oelde | 930.63 mi (1,497.70 km) |
| Vratsa to Oelsnitz | 732.27 mi (1,178.48 km) |
| Vratsa to Oer-Erkenschwick | 955.99 mi (1,538.52 km) |
| Vratsa to Oerlinghausen | 917.73 mi (1,476.94 km) |
