| Kuldiga to Popovo | 959.12 mi (1,543.56 km) |
| Kuldiga to Provadia | 981.93 mi (1,580.26 km) |
| Kuldiga to Radnevo | 1,028.36 mi (1,654.99 km) |
| Kuldiga to Radomir | 997.04 mi (1,604.58 km) |
| Kuldiga to Rakitovo | 1,039.48 mi (1,672.88 km) |
| Kuldiga to Rakovski | 1,022.76 mi (1,645.98 km) |
| Kuldiga to Razgrad | 949.15 mi (1,527.51 km) |
| Kuldiga to Razlog | 1,044.28 mi (1,680.60 km) |
| Kuldiga to Ruse | 924.56 mi (1,487.94 km) |
| Kuldiga to Samokov | 1,013.23 mi (1,630.64 km) |
| Kuldiga to Sandanski | 1,065.54 mi (1,714.82 km) |
| Kuldiga to Sevlievo | 973.06 mi (1,565.99 km) |
| Kuldiga to Shumen | 970.05 mi (1,561.15 km) |
| Kuldiga to Silistra | 917.06 mi (1,475.86 km) |
| Kuldiga to Sliven | 1,005.38 mi (1,618.01 km) |
