| American Canyon to Ratingen | 5,532.56 mi (8,903.79 km) |
| American Canyon to Ratzeburg | 5,498.95 mi (8,849.70 km) |
| American Canyon to Raubling | 5,867.40 mi (9,442.68 km) |
| American Canyon to Rauenberg | 5,693.75 mi (9,163.21 km) |
| American Canyon to Raunheim | 5,645.56 mi (9,085.66 km) |
| American Canyon to Ravensburg | 5,800.96 mi (9,335.74 km) |
| American Canyon to Recke | 5,497.16 mi (8,846.83 km) |
| American Canyon to Recklinghausen | 5,525.38 mi (8,892.23 km) |
| American Canyon to Regen | 5,826.32 mi (9,376.56 km) |
| American Canyon to Regensburg | 5,796.80 mi (9,329.04 km) |
| American Canyon to Regenstauf | 5,791.86 mi (9,321.09 km) |
| American Canyon to Rehau | 5,724.88 mi (9,213.30 km) |
| American Canyon to Rehburg-Loccum | 5,530.70 mi (8,900.80 km) |
| American Canyon to Rehlingen-Siersburg | 5,632.72 mi (9,064.99 km) |
| American Canyon to Reichelsheim | 5,672.66 mi (9,129.26 km) |
