| Kalmar to Popovo | 1,016.46 mi (1,635.83 km) |
| Kalmar to Provadia | 1,050.44 mi (1,690.52 km) |
| Kalmar to Radnevo | 1,078.88 mi (1,736.29 km) |
| Kalmar to Radomir | 1,017.50 mi (1,637.50 km) |
| Kalmar to Rakitovo | 1,070.49 mi (1,722.78 km) |
| Kalmar to Rakovski | 1,063.58 mi (1,711.67 km) |
| Kalmar to Razgrad | 1,010.09 mi (1,625.59 km) |
| Kalmar to Razlog | 1,068.73 mi (1,719.95 km) |
| Kalmar to Ruse | 980.91 mi (1,578.63 km) |
| Kalmar to Samokov | 1,039.63 mi (1,673.13 km) |
| Kalmar to Sandanski | 1,087.45 mi (1,750.08 km) |
| Kalmar to Sevlievo | 1,017.70 mi (1,637.84 km) |
| Kalmar to Shumen | 1,034.12 mi (1,664.25 km) |
| Kalmar to Silistra | 988.07 mi (1,590.15 km) |
| Kalmar to Sliven | 1,061.19 mi (1,707.81 km) |
