| Karlovo to Ottendorf-Okrilla | 783.46 mi (1,260.85 km) |
| Karlovo to Ottersberg | 1,019.76 mi (1,641.15 km) |
| Karlovo to Ottobrunn | 738.45 mi (1,188.42 km) |
| Karlovo to Ottweiler | 962.34 mi (1,548.74 km) |
| Karlovo to Overath | 1,003.49 mi (1,614.96 km) |
| Karlovo to Oyten | 1,022.37 mi (1,645.35 km) |
| Karlovo to Paderborn | 976.78 mi (1,571.97 km) |
| Karlovo to Papenburg | 1,076.48 mi (1,732.42 km) |
| Karlovo to Parchim | 952.66 mi (1,533.17 km) |
| Karlovo to Pasewalk | 898.71 mi (1,446.33 km) |
| Karlovo to Passau | 683.28 mi (1,099.63 km) |
| Karlovo to Pattensen | 963.84 mi (1,551.15 km) |
| Karlovo to Pegnitz | 800.39 mi (1,288.11 km) |
| Karlovo to Peine | 950.64 mi (1,529.91 km) |
| Karlovo to Peissenberg | 756.31 mi (1,217.16 km) |
