| Valley Center to Rosolini | 6,692.00 mi (10,769.74 km) |
| Valley Center to Rossano | 6,598.94 mi (10,619.96 km) |
| Valley Center to Rottofreno | 6,076.15 mi (9,778.62 km) |
| Valley Center to Rovato | 6,064.70 mi (9,760.18 km) |
| Valley Center to Roverbella | 6,104.96 mi (9,824.99 km) |
| Valley Center to Rovereto | 6,082.01 mi (9,788.04 km) |
| Valley Center to Rovigo | 6,147.50 mi (9,893.45 km) |
| Valley Center to Rozzano | 6,046.46 mi (9,730.83 km) |
| Valley Center to Rubano | 6,128.70 mi (9,863.19 km) |
| Valley Center to Rubiera | 6,137.46 mi (9,877.30 km) |
| Valley Center to Ruffano | 6,627.42 mi (10,665.80 km) |
| Valley Center to Russi | 6,192.11 mi (9,965.23 km) |
| Valley Center to Rutigliano | 6,532.37 mi (10,512.83 km) |
| Valley Center to Ruvo di Puglia | 6,509.12 mi (10,475.42 km) |
| Valley Center to Sabaudia | 6,386.92 mi (10,278.76 km) |
