| Arcata to Ratingen | 5,417.97 mi (8,719.38 km) |
| Arcata to Ratzeburg | 5,374.22 mi (8,648.96 km) |
| Arcata to Raubling | 5,750.43 mi (9,254.42 km) |
| Arcata to Rauenberg | 5,579.93 mi (8,980.02 km) |
| Arcata to Raunheim | 5,530.80 mi (8,900.96 km) |
| Arcata to Ravensburg | 5,688.26 mi (9,154.36 km) |
| Arcata to Recke | 5,379.26 mi (8,657.09 km) |
| Arcata to Recklinghausen | 5,409.78 mi (8,706.19 km) |
| Arcata to Regen | 5,705.68 mi (9,182.41 km) |
| Arcata to Regensburg | 5,677.82 mi (9,137.57 km) |
| Arcata to Regenstauf | 5,672.63 mi (9,129.21 km) |
| Arcata to Rehau | 5,603.97 mi (9,018.72 km) |
| Arcata to Rehburg-Loccum | 5,410.41 mi (8,707.22 km) |
| Arcata to Rehlingen-Siersburg | 5,522.03 mi (8,886.85 km) |
| Arcata to Reichelsheim | 5,557.81 mi (8,944.42 km) |
