| Carlsbad to Ratingen | 5,691.70 mi (9,159.90 km) |
| Carlsbad to Ratzeburg | 5,682.59 mi (9,145.24 km) |
| Carlsbad to Raubling | 6,029.56 mi (9,703.64 km) |
| Carlsbad to Rauenberg | 5,849.78 mi (9,414.32 km) |
| Carlsbad to Raunheim | 5,804.20 mi (9,340.97 km) |
| Carlsbad to Ravensburg | 5,953.46 mi (9,581.17 km) |
| Carlsbad to Recke | 5,664.44 mi (9,116.04 km) |
| Carlsbad to Recklinghausen | 5,686.98 mi (9,152.31 km) |
| Carlsbad to Regen | 5,997.59 mi (9,652.18 km) |
| Carlsbad to Regensburg | 5,964.30 mi (9,598.61 km) |
| Carlsbad to Regenstauf | 5,960.00 mi (9,591.69 km) |
| Carlsbad to Rehau | 5,897.57 mi (9,491.22 km) |
| Carlsbad to Rehburg-Loccum | 5,703.43 mi (9,178.78 km) |
| Carlsbad to Rehlingen-Siersburg | 5,781.83 mi (9,304.96 km) |
| Carlsbad to Reichelsheim | 5,831.29 mi (9,384.55 km) |
