| Ukiah to Rheinbach | 5,538.85 mi (8,913.91 km) |
| Ukiah to Rheinberg | 5,479.39 mi (8,818.22 km) |
| Ukiah to Rheine | 5,460.17 mi (8,787.30 km) |
| Ukiah to Rheinfelden (Baden) | 5,732.04 mi (9,224.83 km) |
| Ukiah to Ribnitz-Damgarten | 5,468.93 mi (8,801.39 km) |
| Ukiah to Richterich | 5,505.69 mi (8,860.55 km) |
| Ukiah to Riedlingen | 5,744.01 mi (9,244.10 km) |
| Ukiah to Riegelsberg | 5,612.48 mi (9,032.42 km) |
| Ukiah to Rielasingen-Worblingen | 5,750.85 mi (9,255.10 km) |
| Ukiah to Riesa | 5,658.15 mi (9,105.92 km) |
| Ukiah to Rietberg | 5,512.28 mi (8,871.16 km) |
| Ukiah to Rinteln | 5,506.57 mi (8,861.97 km) |
| Ukiah to Ritterhude | 5,442.88 mi (8,759.47 km) |
| Ukiah to Rodenbach | 5,620.03 mi (9,044.56 km) |
| Ukiah to Rodental | 5,663.78 mi (9,114.97 km) |
