| Detroit to Radauti | 4,852.94 mi (7,810.05 km) |
| Detroit to Ramnicu Sarat | 5,008.16 mi (8,059.85 km) |
| Detroit to Ramnicu Valcea | 4,924.98 mi (7,925.99 km) |
| Detroit to Rasnov | 4,941.35 mi (7,952.34 km) |
| Detroit to Reghin | 4,859.92 mi (7,821.28 km) |
| Detroit to Resita | 4,825.02 mi (7,765.12 km) |
| Detroit to Roman | 4,930.39 mi (7,934.70 km) |
| Detroit to Rosiori de Vede | 4,993.64 mi (8,036.48 km) |
| Detroit to Rovinari | 4,889.50 mi (7,868.89 km) |
| Detroit to Roznov | 4,920.33 mi (7,918.51 km) |
| Detroit to Sabaoani | 4,923.55 mi (7,923.69 km) |
| Detroit to Sacele | 4,949.00 mi (7,964.64 km) |
| Detroit to Sacueni | 4,740.71 mi (7,629.44 km) |
| Detroit to Salcea | 4,877.38 mi (7,849.39 km) |
| Detroit to Salonta | 4,749.34 mi (7,643.33 km) |
