| Tucson to Racale | 6,481.07 mi (10,430.27 km) |
| Tucson to Racconigi | 5,871.95 mi (9,449.99 km) |
| Tucson to Raffadali | 6,443.37 mi (10,369.59 km) |
| Tucson to Ragusa | 6,512.99 mi (10,481.64 km) |
| Tucson to Ramacca | 6,488.91 mi (10,442.89 km) |
| Tucson to Randazzo | 6,473.30 mi (10,417.77 km) |
| Tucson to Rapallo | 5,947.80 mi (9,572.05 km) |
| Tucson to Ravanusa | 6,466.85 mi (10,407.39 km) |
| Tucson to Ravenna | 6,050.49 mi (9,737.33 km) |
| Tucson to Recanati | 6,147.60 mi (9,893.60 km) |
| Tucson to Recco | 5,943.99 mi (9,565.93 km) |
| Tucson to Reggello | 6,062.36 mi (9,756.42 km) |
| Tucson to Reggio di Calabria | 6,487.76 mi (10,441.05 km) |
| Tucson to Reggio Emilia | 5,981.48 mi (9,626.26 km) |
| Tucson to Reggiolo | 5,977.62 mi (9,620.05 km) |
