| Ukiah to Redon | 5,435.34 mi (8,747.33 km) |
| Ukiah to Reims | 5,533.94 mi (8,906.02 km) |
| Ukiah to Rennes | 5,424.44 mi (8,729.79 km) |
| Ukiah to Revel | 5,783.58 mi (9,307.78 km) |
| Ukiah to Reze | 5,475.04 mi (8,811.22 km) |
| Ukiah to Riedisheim | 5,709.91 mi (9,189.22 km) |
| Ukiah to Rillieux-la-Pape | 5,745.39 mi (9,246.32 km) |
| Ukiah to Riom | 5,687.99 mi (9,153.93 km) |
| Ukiah to Riorges | 5,707.88 mi (9,185.94 km) |
| Ukiah to Ris-Orangis | 5,519.98 mi (8,883.55 km) |
| Ukiah to Rive-de-Gier | 5,752.93 mi (9,258.44 km) |
| Ukiah to Rivesaltes | 5,848.24 mi (9,411.84 km) |
| Ukiah to Rixheim | 5,710.93 mi (9,190.85 km) |
| Ukiah to Roanne | 5,709.05 mi (9,187.83 km) |
| Ukiah to Roche-la-Moliere | 5,749.33 mi (9,252.65 km) |
