| Ahrensburg to Popovo | 1,017.70 mi (1,637.84 km) |
| Ahrensburg to Provadia | 1,065.72 mi (1,715.10 km) |
| Ahrensburg to Radnevo | 1,065.03 mi (1,714.01 km) |
| Ahrensburg to Radomir | 963.66 mi (1,550.86 km) |
| Ahrensburg to Rakitovo | 1,028.12 mi (1,654.59 km) |
| Ahrensburg to Rakovski | 1,036.38 mi (1,667.89 km) |
| Ahrensburg to Razgrad | 1,017.26 mi (1,637.12 km) |
| Ahrensburg to Razlog | 1,016.72 mi (1,636.25 km) |
| Ahrensburg to Ruse | 983.73 mi (1,583.17 km) |
| Ahrensburg to Samokov | 992.82 mi (1,597.79 km) |
| Ahrensburg to Sandanski | 1,030.23 mi (1,657.99 km) |
| Ahrensburg to Sevlievo | 999.91 mi (1,609.20 km) |
| Ahrensburg to Shumen | 1,044.00 mi (1,680.15 km) |
| Ahrensburg to Silistra | 1,012.12 mi (1,628.86 km) |
| Ahrensburg to Sliven | 1,056.59 mi (1,700.42 km) |
