| Tucson to Rosolini | 6,526.77 mi (10,503.82 km) |
| Tucson to Rossano | 6,449.78 mi (10,379.92 km) |
| Tucson to Rottofreno | 5,925.89 mi (9,536.80 km) |
| Tucson to Rovato | 5,917.82 mi (9,523.82 km) |
| Tucson to Roverbella | 5,959.13 mi (9,590.29 km) |
| Tucson to Rovereto | 5,939.50 mi (9,558.71 km) |
| Tucson to Rovigo | 6,003.99 mi (9,662.49 km) |
| Tucson to Rozzano | 5,896.37 mi (9,489.29 km) |
| Tucson to Rubano | 5,986.57 mi (9,634.45 km) |
| Tucson to Rubiera | 5,989.19 mi (9,638.68 km) |
| Tucson to Ruffano | 6,485.44 mi (10,437.30 km) |
| Tucson to Russi | 6,046.52 mi (9,730.93 km) |
| Tucson to Rutigliano | 6,389.23 mi (10,282.48 km) |
| Tucson to Ruvo di Puglia | 6,365.26 mi (10,243.89 km) |
| Tucson to Sabaudia | 6,232.37 mi (10,030.02 km) |
