| Sierre to Zottegem | 358.60 mi (577.11 km) |
| Sierre to Zulte | 369.77 mi (595.10 km) |
| Sierre to Zwevegem | 365.34 mi (587.95 km) |
| Sierre to Zwijndrecht | 369.57 mi (594.76 km) |
| Sierre to Asenovgrad | 906.50 mi (1,458.87 km) |
| Sierre to Aytos | 1,000.09 mi (1,609.49 km) |
| Sierre to Balchik | 1,026.45 mi (1,651.92 km) |
| Sierre to Bankya | 806.44 mi (1,297.83 km) |
| Sierre to Bansko | 848.09 mi (1,364.86 km) |
| Sierre to Berkovitsa | 791.79 mi (1,274.26 km) |
| Sierre to Blagoevgrad | 824.38 mi (1,326.71 km) |
| Sierre to Botevgrad | 831.83 mi (1,338.69 km) |
| Sierre to Burgas | 1,015.49 mi (1,634.28 km) |
| Sierre to Byala Slatina | 824.75 mi (1,327.30 km) |
| Sierre to Chirpan | 922.63 mi (1,484.83 km) |
