| Isselburg to Montana | 969.72 mi (1,560.61 km) |
| Isselburg to Nova Zagora | 1,116.75 mi (1,797.24 km) |
| Isselburg to Novi Iskar | 1,003.32 mi (1,614.68 km) |
| Isselburg to Novi Pazar | 1,124.06 mi (1,809.00 km) |
| Isselburg to Omurtag | 1,104.53 mi (1,777.56 km) |
| Isselburg to Panagyurishte | 1,048.13 mi (1,686.81 km) |
| Isselburg to Parvomay | 1,105.33 mi (1,778.86 km) |
| Isselburg to Pavlikeni | 1,056.09 mi (1,699.62 km) |
| Isselburg to Pazardzhik | 1,068.10 mi (1,718.94 km) |
| Isselburg to Pernik | 1,001.63 mi (1,611.98 km) |
| Isselburg to Peshtera | 1,075.02 mi (1,730.08 km) |
| Isselburg to Petrich | 1,068.34 mi (1,719.32 km) |
| Isselburg to Pleven | 1,021.98 mi (1,644.72 km) |
| Isselburg to Plovdiv | 1,085.75 mi (1,747.34 km) |
| Isselburg to Pomorie | 1,174.67 mi (1,890.45 km) |
