| Karlovo to Plombieres | 1,049.56 mi (1,689.10 km) |
| Karlovo to Pont-a-Celles | 1,107.73 mi (1,782.72 km) |
| Karlovo to Poperinge | 1,182.92 mi (1,903.73 km) |
| Karlovo to Profondeville | 1,083.32 mi (1,743.44 km) |
| Karlovo to Putte | 1,110.86 mi (1,787.76 km) |
| Karlovo to Puurs | 1,125.65 mi (1,811.56 km) |
| Karlovo to Quaregnon | 1,125.93 mi (1,812.02 km) |
| Karlovo to Raeren | 1,041.49 mi (1,676.11 km) |
| Karlovo to Ranst | 1,118.35 mi (1,799.82 km) |
| Karlovo to Ravels | 1,105.48 mi (1,779.09 km) |
| Karlovo to Retie | 1,099.93 mi (1,770.17 km) |
| Karlovo to Riemst | 1,065.56 mi (1,714.85 km) |
| Karlovo to Rijkevorsel | 1,114.11 mi (1,792.98 km) |
| Karlovo to Rixensart | 1,105.86 mi (1,779.72 km) |
| Karlovo to Rochefort | 1,063.72 mi (1,711.89 km) |
