| Bettendorf to Popovo | 5,377.17 mi (8,653.71 km) |
| Bettendorf to Provadia | 5,426.62 mi (8,733.31 km) |
| Bettendorf to Radnevo | 5,419.70 mi (8,722.17 km) |
| Bettendorf to Radomir | 5,301.57 mi (8,532.05 km) |
| Bettendorf to Rakitovo | 5,370.11 mi (8,642.36 km) |
| Bettendorf to Rakovski | 5,386.28 mi (8,668.38 km) |
| Bettendorf to Razgrad | 5,377.62 mi (8,654.45 km) |
| Bettendorf to Razlog | 5,352.92 mi (8,614.69 km) |
| Bettendorf to Ruse | 5,343.78 mi (8,599.98 km) |
| Bettendorf to Samokov | 5,333.73 mi (8,583.81 km) |
| Bettendorf to Sandanski | 5,361.79 mi (8,628.97 km) |
| Bettendorf to Sevlievo | 5,354.65 mi (8,617.48 km) |
| Bettendorf to Shumen | 5,404.51 mi (8,697.71 km) |
| Bettendorf to Silistra | 5,373.24 mi (8,647.40 km) |
| Bettendorf to Sliven | 5,414.27 mi (8,713.43 km) |
