| Voiron to Smolyan | 990.46 mi (1,594.00 km) |
| Voiron to Sofia | 898.25 mi (1,445.60 km) |
| Voiron to Sopot | 967.99 mi (1,557.82 km) |
| Voiron to Sozopol | 1,115.87 mi (1,795.83 km) |
| Voiron to Sredets | 1,093.08 mi (1,759.13 km) |
| Voiron to Stamboliyski | 968.98 mi (1,559.43 km) |
| Voiron to Stara Zagora | 1,016.19 mi (1,635.40 km) |
| Voiron to Svilengrad | 1,058.11 mi (1,702.87 km) |
| Voiron to Svishtov | 978.86 mi (1,575.33 km) |
| Voiron to Targovishte | 1,045.14 mi (1,681.98 km) |
| Voiron to Teteven | 939.11 mi (1,511.36 km) |
| Voiron to Troyan | 961.58 mi (1,547.52 km) |
| Voiron to Tryavna | 999.88 mi (1,609.15 km) |
| Voiron to Tutrakan | 1,033.52 mi (1,663.29 km) |
| Voiron to Varna | 1,110.47 mi (1,787.13 km) |
