| Billings to Montana | 5,602.00 mi (9,015.55 km) |
| Billings to Nova Zagora | 5,728.86 mi (9,219.70 km) |
| Billings to Novi Iskar | 5,641.12 mi (9,078.50 km) |
| Billings to Novi Pazar | 5,707.05 mi (9,184.60 km) |
| Billings to Omurtag | 5,702.59 mi (9,177.43 km) |
| Billings to Panagyurishte | 5,680.86 mi (9,142.47 km) |
| Billings to Parvomay | 5,731.65 mi (9,224.20 km) |
| Billings to Pavlikeni | 5,666.32 mi (9,119.06 km) |
| Billings to Pazardzhik | 5,702.57 mi (9,177.40 km) |
| Billings to Pernik | 5,644.41 mi (9,083.81 km) |
| Billings to Peshtera | 5,711.56 mi (9,191.87 km) |
| Billings to Petrich | 5,719.91 mi (9,205.30 km) |
| Billings to Pleven | 5,638.51 mi (9,074.30 km) |
| Billings to Plovdiv | 5,716.49 mi (9,199.80 km) |
| Billings to Pomorie | 5,764.47 mi (9,277.01 km) |
