| Houma to Montana | 5,889.55 mi (9,478.31 km) |
| Houma to Nova Zagora | 6,039.80 mi (9,720.12 km) |
| Houma to Novi Iskar | 5,920.06 mi (9,527.41 km) |
| Houma to Novi Pazar | 6,048.58 mi (9,734.25 km) |
| Houma to Omurtag | 6,029.12 mi (9,702.93 km) |
| Houma to Panagyurishte | 5,966.27 mi (9,601.79 km) |
| Houma to Parvomay | 6,024.88 mi (9,696.11 km) |
| Houma to Pavlikeni | 5,979.94 mi (9,623.79 km) |
| Houma to Pazardzhik | 5,985.03 mi (9,631.98 km) |
| Houma to Pernik | 5,915.57 mi (9,520.19 km) |
| Houma to Peshtera | 5,990.76 mi (9,641.19 km) |
| Houma to Petrich | 5,972.90 mi (9,612.46 km) |
| Houma to Pleven | 5,945.20 mi (9,567.87 km) |
| Houma to Plovdiv | 6,003.97 mi (9,662.46 km) |
| Houma to Pomorie | 6,099.37 mi (9,815.99 km) |
