| Gaillac to Popovo | 1,213.29 mi (1,952.60 km) |
| Gaillac to Provadia | 1,274.75 mi (2,051.51 km) |
| Gaillac to Radnevo | 1,213.27 mi (1,952.56 km) |
| Gaillac to Radomir | 1,061.08 mi (1,707.64 km) |
| Gaillac to Rakitovo | 1,126.45 mi (1,812.85 km) |
| Gaillac to Rakovski | 1,165.33 mi (1,875.42 km) |
| Gaillac to Razgrad | 1,225.09 mi (1,971.60 km) |
| Gaillac to Razlog | 1,097.48 mi (1,766.22 km) |
| Gaillac to Ruse | 1,194.13 mi (1,921.77 km) |
| Gaillac to Samokov | 1,094.41 mi (1,761.29 km) |
| Gaillac to Sandanski | 1,093.98 mi (1,760.59 km) |
| Gaillac to Sevlievo | 1,161.95 mi (1,869.97 km) |
| Gaillac to Shumen | 1,248.73 mi (2,009.64 km) |
| Gaillac to Silistra | 1,255.43 mi (2,020.42 km) |
| Gaillac to Sliven | 1,227.24 mi (1,975.05 km) |
