| Fountain Valley to Ratingen | 5,677.16 mi (9,136.51 km) |
| Fountain Valley to Ratzeburg | 5,664.88 mi (9,116.74 km) |
| Fountain Valley to Raubling | 6,014.85 mi (9,679.97 km) |
| Fountain Valley to Rauenberg | 5,835.75 mi (9,391.74 km) |
| Fountain Valley to Raunheim | 5,789.81 mi (9,317.80 km) |
| Fountain Valley to Ravensburg | 5,939.95 mi (9,559.43 km) |
| Fountain Valley to Recke | 5,648.84 mi (9,090.93 km) |
| Fountain Valley to Recklinghausen | 5,672.12 mi (9,128.40 km) |
| Fountain Valley to Regen | 5,981.68 mi (9,626.58 km) |
| Fountain Valley to Regensburg | 5,948.86 mi (9,573.76 km) |
| Fountain Valley to Regenstauf | 5,944.47 mi (9,566.70 km) |
| Fountain Valley to Rehau | 5,881.41 mi (9,465.22 km) |
| Fountain Valley to Rehburg-Loccum | 5,687.14 mi (9,152.57 km) |
| Fountain Valley to Rehlingen-Siersburg | 5,768.65 mi (9,283.74 km) |
| Fountain Valley to Reichelsheim | 5,816.91 mi (9,361.41 km) |
