| Ukiah to Racale | 6,449.84 mi (10,380.02 km) |
| Ukiah to Racconigi | 5,885.02 mi (9,471.02 km) |
| Ukiah to Raffadali | 6,476.68 mi (10,423.21 km) |
| Ukiah to Ragusa | 6,539.57 mi (10,524.42 km) |
| Ukiah to Ramacca | 6,511.67 mi (10,479.52 km) |
| Ukiah to Randazzo | 6,489.27 mi (10,443.47 km) |
| Ukiah to Rapallo | 5,952.79 mi (9,580.08 km) |
| Ukiah to Ravanusa | 6,497.40 mi (10,456.56 km) |
| Ukiah to Ravenna | 6,031.00 mi (9,705.96 km) |
| Ukiah to Recanati | 6,126.29 mi (9,859.31 km) |
| Ukiah to Recco | 5,949.48 mi (9,574.76 km) |
| Ukiah to Reggello | 6,055.15 mi (9,744.82 km) |
| Ukiah to Reggio di Calabria | 6,495.21 mi (10,453.03 km) |
| Ukiah to Reggio Emilia | 5,971.97 mi (9,610.96 km) |
| Ukiah to Reggiolo | 5,964.59 mi (9,599.09 km) |
