| Karlstad to Popovo | 1,231.25 mi (1,981.51 km) |
| Karlstad to Provadia | 1,264.77 mi (2,035.46 km) |
| Karlstad to Radnevo | 1,293.72 mi (2,082.04 km) |
| Karlstad to Radomir | 1,230.39 mi (1,980.12 km) |
| Karlstad to Rakitovo | 1,284.36 mi (2,066.98 km) |
| Karlstad to Rakovski | 1,278.14 mi (2,056.96 km) |
| Karlstad to Razgrad | 1,224.78 mi (1,971.09 km) |
| Karlstad to Razlog | 1,281.95 mi (2,063.10 km) |
| Karlstad to Ruse | 1,195.71 mi (1,924.31 km) |
| Karlstad to Samokov | 1,253.14 mi (2,016.73 km) |
| Karlstad to Sandanski | 1,300.31 mi (2,092.65 km) |
| Karlstad to Sevlievo | 1,232.45 mi (1,983.44 km) |
| Karlstad to Shumen | 1,248.69 mi (2,009.57 km) |
| Karlstad to Silistra | 1,202.14 mi (1,934.65 km) |
| Karlstad to Sliven | 1,276.02 mi (2,053.56 km) |
