| Alpena to Zottegem | 3,814.23 mi (6,138.41 km) |
| Alpena to Zulte | 3,798.72 mi (6,113.45 km) |
| Alpena to Zwevegem | 3,799.07 mi (6,114.01 km) |
| Alpena to Zwijndrecht | 3,821.72 mi (6,150.46 km) |
| Alpena to Asenovgrad | 4,974.33 mi (8,005.41 km) |
| Alpena to Aytos | 5,025.54 mi (8,087.82 km) |
| Alpena to Balchik | 5,020.92 mi (8,080.40 km) |
| Alpena to Bankya | 4,878.20 mi (7,850.70 km) |
| Alpena to Bansko | 4,932.80 mi (7,938.58 km) |
| Alpena to Berkovitsa | 4,851.97 mi (7,808.49 km) |
| Alpena to Blagoevgrad | 4,909.76 mi (7,901.50 km) |
| Alpena to Botevgrad | 4,892.17 mi (7,873.18 km) |
| Alpena to Burgas | 5,043.12 mi (8,116.11 km) |
| Alpena to Byala Slatina | 4,870.15 mi (7,837.76 km) |
| Alpena to Chirpan | 4,981.86 mi (8,017.52 km) |
