| Caldwell to Zottegem | 4,996.19 mi (8,040.59 km) |
| Caldwell to Zulte | 4,983.09 mi (8,019.52 km) |
| Caldwell to Zwevegem | 4,986.30 mi (8,024.67 km) |
| Caldwell to Zwijndrecht | 4,993.00 mi (8,035.46 km) |
| Caldwell to Asenovgrad | 6,055.72 mi (9,745.74 km) |
| Caldwell to Aytos | 6,066.67 mi (9,763.37 km) |
| Caldwell to Balchik | 6,040.56 mi (9,721.34 km) |
| Caldwell to Bankya | 5,973.14 mi (9,612.83 km) |
| Caldwell to Bansko | 6,034.27 mi (9,711.22 km) |
| Caldwell to Berkovitsa | 5,940.18 mi (9,559.80 km) |
| Caldwell to Blagoevgrad | 6,014.11 mi (9,678.77 km) |
| Caldwell to Botevgrad | 5,976.02 mi (9,617.47 km) |
| Caldwell to Burgas | 6,083.76 mi (9,790.86 km) |
| Caldwell to Byala Slatina | 5,944.96 mi (9,567.49 km) |
| Caldwell to Chirpan | 6,054.93 mi (9,744.47 km) |
