| Karnobat to Obernburg am Main | 983.78 mi (1,583.24 km) |
| Karnobat to Obernkirchen | 1,062.65 mi (1,710.17 km) |
| Karnobat to Oberschleissheim | 840.01 mi (1,351.87 km) |
| Karnobat to Oberstdorf | 877.80 mi (1,412.67 km) |
| Karnobat to Obertraubling | 834.97 mi (1,343.76 km) |
| Karnobat to Obertshausen | 1,002.62 mi (1,613.56 km) |
| Karnobat to Oberursel | 1,016.82 mi (1,636.42 km) |
| Karnobat to Ochsenfurt | 940.71 mi (1,513.92 km) |
| Karnobat to Ochsenhausen | 905.94 mi (1,457.97 km) |
| Karnobat to Ochtrup | 1,131.35 mi (1,820.74 km) |
| Karnobat to Odenthal | 1,098.64 mi (1,768.08 km) |
| Karnobat to Oelde | 1,083.24 mi (1,743.30 km) |
| Karnobat to Oelsnitz | 883.50 mi (1,421.85 km) |
| Karnobat to Oer-Erkenschwick | 1,111.32 mi (1,788.50 km) |
| Karnobat to Oerlinghausen | 1,068.50 mi (1,719.58 km) |
