| Kaltenkirchen to Popovo | 1,033.76 mi (1,663.68 km) |
| Kaltenkirchen to Provadia | 1,081.69 mi (1,740.81 km) |
| Kaltenkirchen to Radnevo | 1,081.17 mi (1,739.98 km) |
| Kaltenkirchen to Radomir | 979.81 mi (1,576.86 km) |
| Kaltenkirchen to Rakitovo | 1,044.28 mi (1,680.61 km) |
| Kaltenkirchen to Rakovski | 1,052.54 mi (1,693.91 km) |
| Kaltenkirchen to Razgrad | 1,033.28 mi (1,662.90 km) |
| Kaltenkirchen to Razlog | 1,032.87 mi (1,662.24 km) |
| Kaltenkirchen to Ruse | 999.77 mi (1,608.97 km) |
| Kaltenkirchen to Samokov | 1,008.99 mi (1,623.81 km) |
| Kaltenkirchen to Sandanski | 1,046.36 mi (1,683.95 km) |
| Kaltenkirchen to Sevlievo | 1,016.05 mi (1,635.17 km) |
| Kaltenkirchen to Shumen | 1,060.00 mi (1,705.91 km) |
| Kaltenkirchen to Silistra | 1,028.00 mi (1,654.40 km) |
| Kaltenkirchen to Sliven | 1,072.69 mi (1,726.32 km) |
