| Volterra to Devnya | 838.32 mi (1,349.15 km) |
| Volterra to Dimitrovgrad | 752.61 mi (1,211.21 km) |
| Volterra to Dobrich | 849.17 mi (1,366.61 km) |
| Volterra to Dospat | 687.18 mi (1,105.90 km) |
| Volterra to Dupnitsa | 625.14 mi (1,006.07 km) |
| Volterra to Elhovo | 799.48 mi (1,286.65 km) |
| Volterra to Etropole | 662.85 mi (1,066.76 km) |
| Volterra to Gabrovo | 729.45 mi (1,173.93 km) |
| Volterra to Gorna Oryahovitsa | 745.53 mi (1,199.82 km) |
| Volterra to Gotse Delchev | 667.02 mi (1,073.47 km) |
| Volterra to Harmanli | 769.39 mi (1,238.21 km) |
| Volterra to Haskovo | 752.67 mi (1,211.30 km) |
| Volterra to Ihtiman | 657.93 mi (1,058.83 km) |
| Volterra to Isperih | 798.51 mi (1,285.08 km) |
| Volterra to Kardzhali | 747.19 mi (1,202.49 km) |
