| Cities | Distance |
|---|---|
| Frankenthal to Popovo | 949.40 mi (1,527.91 km) |
| Frankenthal to Provadia | 1,006.42 mi (1,619.68 km) |
| Frankenthal to Radnevo | 978.39 mi (1,574.57 km) |
| Frankenthal to Radomir | 848.04 mi (1,364.78 km) |
| Frankenthal to Rakitovo | 917.61 mi (1,476.76 km) |
| Frankenthal to Rakovski | 939.53 mi (1,512.03 km) |
| Frankenthal to Razgrad | 954.58 mi (1,536.25 km) |
| Frankenthal to Razlog | 898.04 mi (1,445.26 km) |
| Frankenthal to Ruse | 920.13 mi (1,480.80 km) |
| Frankenthal to Samokov | 881.19 mi (1,418.15 km) |
| Frankenthal to Sandanski | 905.48 mi (1,457.23 km) |
| Frankenthal to Sevlievo | 915.22 mi (1,472.91 km) |
| Frankenthal to Shumen | 981.49 mi (1,579.55 km) |
| Frankenthal to Silistra | 965.81 mi (1,554.32 km) |
| Frankenthal to Sliven | 979.37 mi (1,576.14 km) |