| Tucson to Rivalta di Torino | 5,853.65 mi (9,420.54 km) |
| Tucson to Rivarolo Canavese | 5,847.23 mi (9,410.21 km) |
| Tucson to Rivoli | 5,851.98 mi (9,417.86 km) |
| Tucson to Rocca di Papa | 6,198.24 mi (9,975.10 km) |
| Tucson to Rocca Priora | 6,199.24 mi (9,976.71 km) |
| Tucson to Roccapiemonte | 6,319.58 mi (10,170.38 km) |
| Tucson to Roccastrada | 6,081.67 mi (9,787.50 km) |
| Tucson to Romano di Lombardia | 5,911.42 mi (9,513.51 km) |
| Tucson to Rome | 6,183.55 mi (9,951.46 km) |
| Tucson to Roncade | 5,997.71 mi (9,652.39 km) |
| Tucson to Ronchi dei Legionari | 6,025.64 mi (9,697.33 km) |
| Tucson to Ronciglione | 6,154.48 mi (9,904.68 km) |
| Tucson to Rosa | 5,972.29 mi (9,611.47 km) |
| Tucson to Rosarno | 6,481.16 mi (10,430.42 km) |
| Tucson to Rosignano Marittimo | 6,037.51 mi (9,716.43 km) |
