| Boppard to Montana | 873.97 mi (1,406.52 km) |
| Boppard to Nova Zagora | 1,024.30 mi (1,648.45 km) |
| Boppard to Novi Iskar | 905.44 mi (1,457.16 km) |
| Boppard to Novi Pazar | 1,038.04 mi (1,670.57 km) |
| Boppard to Omurtag | 1,015.54 mi (1,634.35 km) |
| Boppard to Panagyurishte | 951.22 mi (1,530.83 km) |
| Boppard to Parvomay | 1,009.47 mi (1,624.58 km) |
| Boppard to Pavlikeni | 965.03 mi (1,553.06 km) |
| Boppard to Pazardzhik | 970.45 mi (1,561.79 km) |
| Boppard to Pernik | 902.19 mi (1,451.94 km) |
| Boppard to Peshtera | 976.70 mi (1,571.84 km) |
| Boppard to Petrich | 965.30 mi (1,553.50 km) |
| Boppard to Pleven | 929.86 mi (1,496.47 km) |
| Boppard to Plovdiv | 988.94 mi (1,591.54 km) |
| Boppard to Pomorie | 1,086.33 mi (1,748.28 km) |
