| Frederick to Zottegem | 3,831.08 mi (6,165.52 km) |
| Frederick to Zulte | 3,814.96 mi (6,139.59 km) |
| Frederick to Zwevegem | 3,813.91 mi (6,137.89 km) |
| Frederick to Zwijndrecht | 3,843.44 mi (6,185.41 km) |
| Frederick to Asenovgrad | 4,999.30 mi (8,045.60 km) |
| Frederick to Aytos | 5,065.77 mi (8,152.57 km) |
| Frederick to Balchik | 5,070.05 mi (8,159.45 km) |
| Frederick to Bankya | 4,900.24 mi (7,886.17 km) |
| Frederick to Bansko | 4,950.41 mi (7,966.92 km) |
| Frederick to Berkovitsa | 4,877.66 mi (7,849.84 km) |
| Frederick to Blagoevgrad | 4,926.81 mi (7,928.94 km) |
| Frederick to Botevgrad | 4,918.53 mi (7,915.60 km) |
| Frederick to Burgas | 5,083.03 mi (8,180.34 km) |
| Frederick to Byala Slatina | 4,901.01 mi (7,887.41 km) |
| Frederick to Chirpan | 5,010.12 mi (8,063.00 km) |
