| Ukiah to Reichenbach/Vogtland | 5,674.71 mi (9,132.57 km) |
| Ukiah to Reinbek | 5,460.42 mi (8,787.69 km) |
| Ukiah to Reinfeld | 5,447.55 mi (8,766.98 km) |
| Ukiah to Reinheim | 5,632.96 mi (9,065.37 km) |
| Ukiah to Reiskirchen | 5,589.61 mi (8,995.61 km) |
| Ukiah to Rellingen | 5,442.25 mi (8,758.46 km) |
| Ukiah to Remagen | 5,549.25 mi (8,930.66 km) |
| Ukiah to Remscheid | 5,515.01 mi (8,875.55 km) |
| Ukiah to Rendsburg | 5,402.12 mi (8,693.86 km) |
| Ukiah to Renningen | 5,695.32 mi (9,165.73 km) |
| Ukiah to Reutlingen | 5,718.71 mi (9,203.37 km) |
| Ukiah to Rhaude | 5,414.25 mi (8,713.40 km) |
| Ukiah to Rheda-Wiedenbruck | 5,506.60 mi (8,862.02 km) |
| Ukiah to Rhede | 5,466.23 mi (8,797.05 km) |
| Ukiah to Rheinau | 5,674.17 mi (9,131.69 km) |
