| University of California-Santa Barbara to Rosolini | 6,721.43 mi (10,817.10 km) |
| University of California-Santa Barbara to Rossano | 6,619.78 mi (10,653.51 km) |
| University of California-Santa Barbara to Rottofreno | 6,099.16 mi (9,815.64 km) |
| University of California-Santa Barbara to Rovato | 6,085.89 mi (9,794.30 km) |
| University of California-Santa Barbara to Roverbella | 6,125.47 mi (9,858.00 km) |
| University of California-Santa Barbara to Rovereto | 6,100.78 mi (9,818.26 km) |
| University of California-Santa Barbara to Rovigo | 6,166.63 mi (9,924.22 km) |
| University of California-Santa Barbara to Rozzano | 6,069.46 mi (9,767.85 km) |
| University of California-Santa Barbara to Rubano | 6,147.13 mi (9,892.86 km) |
| University of California-Santa Barbara to Rubiera | 6,159.20 mi (9,912.28 km) |
| University of California-Santa Barbara to Ruffano | 6,644.28 mi (10,692.94 km) |
| University of California-Santa Barbara to Russi | 6,212.23 mi (9,997.61 km) |
| University of California-Santa Barbara to Rutigliano | 6,550.14 mi (10,541.43 km) |
| University of California-Santa Barbara to Ruvo di Puglia | 6,527.36 mi (10,504.77 km) |
| University of California-Santa Barbara to Sabaudia | 6,411.35 mi (10,318.08 km) |
