| Irving to Montana | 5,957.16 mi (9,587.12 km) |
| Irving to Nova Zagora | 6,102.50 mi (9,821.03 km) |
| Irving to Novi Iskar | 5,990.68 mi (9,641.07 km) |
| Irving to Novi Pazar | 6,102.13 mi (9,820.43 km) |
| Irving to Omurtag | 6,086.95 mi (9,796.00 km) |
| Irving to Panagyurishte | 6,035.62 mi (9,713.39 km) |
| Irving to Parvomay | 6,092.71 mi (9,805.27 km) |
| Irving to Pavlikeni | 6,040.98 mi (9,722.02 km) |
| Irving to Pazardzhik | 6,055.53 mi (9,745.44 km) |
| Irving to Pernik | 5,988.47 mi (9,637.51 km) |
| Irving to Peshtera | 6,062.32 mi (9,756.36 km) |
| Irving to Petrich | 6,052.04 mi (9,739.82 km) |
| Irving to Pleven | 6,007.84 mi (9,668.68 km) |
| Irving to Plovdiv | 6,073.24 mi (9,773.93 km) |
| Irving to Pomorie | 6,155.65 mi (9,906.57 km) |
