| Frankfort to Zottegem | 4,185.85 mi (6,736.48 km) |
| Frankfort to Zulte | 4,169.94 mi (6,710.86 km) |
| Frankfort to Zwevegem | 4,169.44 mi (6,710.07 km) |
| Frankfort to Zwijndrecht | 4,196.27 mi (6,753.24 km) |
| Frankfort to Asenovgrad | 5,353.56 mi (8,615.72 km) |
| Frankfort to Aytos | 5,413.72 mi (8,712.54 km) |
| Frankfort to Balchik | 5,414.09 mi (8,713.14 km) |
| Frankfort to Bankya | 5,255.49 mi (8,457.89 km) |
| Frankfort to Bansko | 5,307.56 mi (8,541.69 km) |
| Frankfort to Berkovitsa | 5,231.36 mi (8,419.07 km) |
| Frankfort to Blagoevgrad | 5,284.13 mi (8,503.99 km) |
| Frankfort to Botevgrad | 5,272.04 mi (8,484.53 km) |
| Frankfort to Burgas | 5,431.15 mi (8,740.59 km) |
| Frankfort to Byala Slatina | 5,252.61 mi (8,453.26 km) |
| Frankfort to Chirpan | 5,363.04 mi (8,630.97 km) |
