| Gundelfingen to Zottegem | 267.17 mi (429.97 km) |
| Gundelfingen to Zulte | 281.02 mi (452.27 km) |
| Gundelfingen to Zwevegem | 278.82 mi (448.72 km) |
| Gundelfingen to Zwijndrecht | 270.28 mi (434.98 km) |
| Gundelfingen to Asenovgrad | 925.99 mi (1,490.23 km) |
| Gundelfingen to Aytos | 1,007.29 mi (1,621.07 km) |
| Gundelfingen to Balchik | 1,025.88 mi (1,650.99 km) |
| Gundelfingen to Bankya | 825.94 mi (1,329.22 km) |
| Gundelfingen to Bansko | 873.77 mi (1,406.20 km) |
| Gundelfingen to Berkovitsa | 806.40 mi (1,297.77 km) |
| Gundelfingen to Blagoevgrad | 850.08 mi (1,368.07 km) |
| Gundelfingen to Botevgrad | 847.25 mi (1,363.52 km) |
| Gundelfingen to Burgas | 1,023.61 mi (1,647.35 km) |
| Gundelfingen to Byala Slatina | 834.63 mi (1,343.21 km) |
| Gundelfingen to Chirpan | 939.20 mi (1,511.49 km) |
