| Des Moines to Popovo | 5,482.64 mi (8,823.46 km) |
| Des Moines to Provadia | 5,530.91 mi (8,901.15 km) |
| Des Moines to Radnevo | 5,527.06 mi (8,894.95 km) |
| Des Moines to Radomir | 5,412.00 mi (8,709.78 km) |
| Des Moines to Rakitovo | 5,480.09 mi (8,819.35 km) |
| Des Moines to Rakovski | 5,494.79 mi (8,843.01 km) |
| Des Moines to Razgrad | 5,482.49 mi (8,823.22 km) |
| Des Moines to Razlog | 5,463.74 mi (8,793.04 km) |
| Des Moines to Ruse | 5,448.88 mi (8,769.12 km) |
| Des Moines to Samokov | 5,443.79 mi (8,760.94 km) |
| Des Moines to Sandanski | 5,473.28 mi (8,808.39 km) |
| Des Moines to Sevlievo | 5,461.91 mi (8,790.10 km) |
| Des Moines to Shumen | 5,509.25 mi (8,866.28 km) |
| Des Moines to Silistra | 5,476.37 mi (8,813.36 km) |
| Des Moines to Sliven | 5,520.60 mi (8,884.55 km) |
