| Gorna Oryahovitsa to Obernburg am Main | 910.99 mi (1,466.10 km) |
| Gorna Oryahovitsa to Obernkirchen | 992.31 mi (1,596.97 km) |
| Gorna Oryahovitsa to Oberschleissheim | 766.66 mi (1,233.82 km) |
| Gorna Oryahovitsa to Oberstdorf | 804.22 mi (1,294.26 km) |
| Gorna Oryahovitsa to Obertraubling | 762.23 mi (1,226.68 km) |
| Gorna Oryahovitsa to Obertshausen | 929.93 mi (1,496.58 km) |
| Gorna Oryahovitsa to Oberursel | 944.18 mi (1,519.52 km) |
| Gorna Oryahovitsa to Ochsenfurt | 867.98 mi (1,396.88 km) |
| Gorna Oryahovitsa to Ochsenhausen | 832.40 mi (1,339.62 km) |
| Gorna Oryahovitsa to Ochtrup | 1,060.16 mi (1,706.15 km) |
| Gorna Oryahovitsa to Odenthal | 1,026.32 mi (1,651.70 km) |
| Gorna Oryahovitsa to Oelde | 1,011.99 mi (1,628.63 km) |
| Gorna Oryahovitsa to Oelsnitz | 812.34 mi (1,307.34 km) |
| Gorna Oryahovitsa to Oer-Erkenschwick | 1,039.58 mi (1,673.05 km) |
| Gorna Oryahovitsa to Oerlinghausen | 997.60 mi (1,605.48 km) |
