| Heerlen to Montana | 957.18 mi (1,540.44 km) |
| Heerlen to Nova Zagora | 1,107.10 mi (1,781.70 km) |
| Heerlen to Novi Iskar | 988.89 mi (1,591.46 km) |
| Heerlen to Novi Pazar | 1,119.62 mi (1,801.85 km) |
| Heerlen to Omurtag | 1,097.72 mi (1,766.61 km) |
| Heerlen to Panagyurishte | 1,034.58 mi (1,665.00 km) |
| Heerlen to Parvomay | 1,092.74 mi (1,758.59 km) |
| Heerlen to Pavlikeni | 1,047.57 mi (1,685.90 km) |
| Heerlen to Pazardzhik | 1,053.90 mi (1,696.08 km) |
| Heerlen to Pernik | 985.77 mi (1,586.44 km) |
| Heerlen to Peshtera | 1,060.20 mi (1,706.23 km) |
| Heerlen to Petrich | 1,049.01 mi (1,688.22 km) |
| Heerlen to Pleven | 1,012.57 mi (1,629.57 km) |
| Heerlen to Plovdiv | 1,072.30 mi (1,725.70 km) |
| Heerlen to Pomorie | 1,168.41 mi (1,880.38 km) |
