| Farmington Hills to Ratingen | 4,029.02 mi (6,484.08 km) |
| Farmington Hills to Ratzeburg | 4,086.32 mi (6,576.29 km) |
| Farmington Hills to Raubling | 4,357.63 mi (7,012.93 km) |
| Farmington Hills to Rauenberg | 4,171.45 mi (6,713.31 km) |
| Farmington Hills to Raunheim | 4,134.56 mi (6,653.93 km) |
| Farmington Hills to Ravensburg | 4,261.75 mi (6,858.62 km) |
| Farmington Hills to Recke | 4,024.32 mi (6,476.52 km) |
| Farmington Hills to Recklinghausen | 4,030.83 mi (6,486.99 km) |
| Farmington Hills to Regen | 4,350.22 mi (7,001.00 km) |
| Farmington Hills to Regensburg | 4,308.97 mi (6,934.62 km) |
| Farmington Hills to Regenstauf | 4,306.52 mi (6,930.68 km) |
| Farmington Hills to Rehau | 4,259.15 mi (6,854.43 km) |
| Farmington Hills to Rehburg-Loccum | 4,075.68 mi (6,559.17 km) |
| Farmington Hills to Rehlingen-Siersburg | 4,090.01 mi (6,582.23 km) |
| Farmington Hills to Reichelsheim | 4,160.28 mi (6,695.33 km) |
