| Great Falls to Montana | 5,572.09 mi (8,967.41 km) |
| Great Falls to Nova Zagora | 5,694.90 mi (9,165.06 km) |
| Great Falls to Novi Iskar | 5,611.90 mi (9,031.48 km) |
| Great Falls to Novi Pazar | 5,669.54 mi (9,124.24 km) |
| Great Falls to Omurtag | 5,666.96 mi (9,120.09 km) |
| Great Falls to Panagyurishte | 5,650.48 mi (9,093.58 km) |
| Great Falls to Parvomay | 5,699.84 mi (9,173.01 km) |
| Great Falls to Pavlikeni | 5,632.61 mi (9,064.80 km) |
| Great Falls to Pazardzhik | 5,672.35 mi (9,128.77 km) |
| Great Falls to Pernik | 5,616.12 mi (9,038.28 km) |
| Great Falls to Peshtera | 5,681.66 mi (9,143.75 km) |
| Great Falls to Petrich | 5,693.15 mi (9,162.23 km) |
| Great Falls to Pleven | 5,605.90 mi (9,021.83 km) |
| Great Falls to Plovdiv | 5,685.53 mi (9,149.98 km) |
| Great Falls to Pomorie | 5,727.25 mi (9,217.12 km) |
