| Sonoma to Racale | 6,482.02 mi (10,431.81 km) |
| Sonoma to Racconigi | 5,912.84 mi (9,515.80 km) |
| Sonoma to Raffadali | 6,503.88 mi (10,466.98 km) |
| Sonoma to Ragusa | 6,567.40 mi (10,569.21 km) |
| Sonoma to Ramacca | 6,539.76 mi (10,524.72 km) |
| Sonoma to Randazzo | 6,517.85 mi (10,489.47 km) |
| Sonoma to Rapallo | 5,981.36 mi (9,626.06 km) |
| Sonoma to Ravanusa | 6,524.85 mi (10,500.73 km) |
| Sonoma to Ravenna | 6,061.61 mi (9,755.21 km) |
| Sonoma to Recanati | 6,157.19 mi (9,909.04 km) |
| Sonoma to Recco | 5,978.00 mi (9,620.67 km) |
| Sonoma to Reggello | 6,084.84 mi (9,792.60 km) |
| Sonoma to Reggio di Calabria | 6,524.47 mi (10,500.13 km) |
| Sonoma to Reggio Emilia | 6,001.71 mi (9,658.81 km) |
| Sonoma to Reggiolo | 5,994.59 mi (9,647.36 km) |
