| Caldwell to Montana | 5,932.02 mi (9,546.66 km) |
| Caldwell to Nova Zagora | 6,052.48 mi (9,740.52 km) |
| Caldwell to Novi Iskar | 5,972.16 mi (9,611.26 km) |
| Caldwell to Novi Pazar | 6,024.98 mi (9,696.27 km) |
| Caldwell to Omurtag | 6,023.57 mi (9,693.99 km) |
| Caldwell to Panagyurishte | 6,010.10 mi (9,672.32 km) |
| Caldwell to Parvomay | 6,058.64 mi (9,750.43 km) |
| Caldwell to Pavlikeni | 5,990.38 mi (9,640.58 km) |
| Caldwell to Pazardzhik | 6,032.04 mi (9,707.63 km) |
| Caldwell to Pernik | 5,976.86 mi (9,618.83 km) |
| Caldwell to Peshtera | 6,041.51 mi (9,722.87 km) |
| Caldwell to Petrich | 6,054.59 mi (9,743.93 km) |
| Caldwell to Pleven | 5,964.33 mi (9,598.67 km) |
| Caldwell to Plovdiv | 6,044.80 mi (9,728.17 km) |
| Caldwell to Pomorie | 6,082.83 mi (9,789.36 km) |
