| Alton to Montana | 1,246.44 mi (2,005.96 km) |
| Alton to Nova Zagora | 1,398.82 mi (2,251.18 km) |
| Alton to Novi Iskar | 1,275.60 mi (2,052.89 km) |
| Alton to Novi Pazar | 1,416.19 mi (2,279.13 km) |
| Alton to Omurtag | 1,392.32 mi (2,240.72 km) |
| Alton to Panagyurishte | 1,322.13 mi (2,127.76 km) |
| Alton to Parvomay | 1,381.13 mi (2,222.72 km) |
| Alton to Pavlikeni | 1,340.72 mi (2,157.67 km) |
| Alton to Pazardzhik | 1,340.48 mi (2,157.29 km) |
| Alton to Pernik | 1,270.59 mi (2,044.82 km) |
| Alton to Peshtera | 1,345.93 mi (2,166.07 km) |
| Alton to Petrich | 1,328.19 mi (2,137.51 km) |
| Alton to Pleven | 1,304.97 mi (2,100.15 km) |
| Alton to Plovdiv | 1,359.75 mi (2,188.31 km) |
| Alton to Pomorie | 1,463.29 mi (2,354.93 km) |
