| Rapid City to Radauti | 5,375.81 mi (8,651.54 km) |
| Rapid City to Ramnicu Sarat | 5,546.91 mi (8,926.88 km) |
| Rapid City to Ramnicu Valcea | 5,488.43 mi (8,832.77 km) |
| Rapid City to Rasnov | 5,491.08 mi (8,837.04 km) |
| Rapid City to Reghin | 5,403.54 mi (8,696.16 km) |
| Rapid City to Resita | 5,406.10 mi (8,700.28 km) |
| Rapid City to Roman | 5,454.55 mi (8,778.25 km) |
| Rapid City to Rosiori de Vede | 5,562.06 mi (8,951.27 km) |
| Rapid City to Rovinari | 5,464.59 mi (8,794.40 km) |
| Rapid City to Roznov | 5,448.86 mi (8,769.09 km) |
| Rapid City to Sabaoani | 5,447.47 mi (8,766.86 km) |
| Rapid City to Sacele | 5,496.43 mi (8,845.64 km) |
| Rapid City to Sacueni | 5,298.64 mi (8,527.34 km) |
| Rapid City to Salcea | 5,398.66 mi (8,688.30 km) |
| Rapid City to Salonta | 5,316.53 mi (8,556.13 km) |
