| Duluth to Zottegem | 4,051.25 mi (6,519.86 km) |
| Duluth to Zulte | 4,036.41 mi (6,495.97 km) |
| Duluth to Zwevegem | 4,037.76 mi (6,498.14 km) |
| Duluth to Zwijndrecht | 4,055.12 mi (6,526.09 km) |
| Duluth to Asenovgrad | 5,190.71 mi (8,353.64 km) |
| Duluth to Aytos | 5,229.69 mi (8,416.37 km) |
| Duluth to Balchik | 5,218.24 mi (8,397.95 km) |
| Duluth to Bankya | 5,097.88 mi (8,204.25 km) |
| Duluth to Bansko | 5,155.17 mi (8,296.44 km) |
| Duluth to Berkovitsa | 5,069.21 mi (8,158.10 km) |
| Duluth to Blagoevgrad | 5,132.81 mi (8,260.46 km) |
| Duluth to Botevgrad | 5,108.44 mi (8,221.24 km) |
| Duluth to Burgas | 5,247.31 mi (8,444.73 km) |
| Duluth to Byala Slatina | 5,083.28 mi (8,180.76 km) |
| Duluth to Chirpan | 5,195.66 mi (8,361.61 km) |
