| Sulphur to Montana | 5,960.43 mi (9,592.39 km) |
| Sulphur to Nova Zagora | 6,109.17 mi (9,831.76 km) |
| Sulphur to Novi Iskar | 5,992.03 mi (9,643.24 km) |
| Sulphur to Novi Pazar | 6,114.76 mi (9,840.75 km) |
| Sulphur to Omurtag | 6,096.77 mi (9,811.81 km) |
| Sulphur to Panagyurishte | 6,037.86 mi (9,717.00 km) |
| Sulphur to Parvomay | 6,096.02 mi (9,810.60 km) |
| Sulphur to Pavlikeni | 6,048.65 mi (9,734.37 km) |
| Sulphur to Pazardzhik | 6,057.05 mi (9,747.88 km) |
| Sulphur to Pernik | 5,988.33 mi (9,637.28 km) |
| Sulphur to Peshtera | 6,063.15 mi (9,757.70 km) |
| Sulphur to Petrich | 6,047.89 mi (9,733.14 km) |
| Sulphur to Pleven | 6,014.42 mi (9,679.28 km) |
| Sulphur to Plovdiv | 6,075.58 mi (9,777.71 km) |
| Sulphur to Pomorie | 6,166.58 mi (9,924.15 km) |
