| Foster City to Rosolini | 6,617.01 mi (10,649.04 km) |
| Foster City to Rossano | 6,504.73 mi (10,468.35 km) |
| Foster City to Rottofreno | 5,988.39 mi (9,637.38 km) |
| Foster City to Rovato | 5,972.87 mi (9,612.41 km) |
| Foster City to Roverbella | 6,011.47 mi (9,674.53 km) |
| Foster City to Rovereto | 5,984.67 mi (9,631.40 km) |
| Foster City to Rovigo | 6,050.76 mi (9,737.76 km) |
| Foster City to Rozzano | 5,958.77 mi (9,589.72 km) |
| Foster City to Rubano | 6,030.46 mi (9,705.09 km) |
| Foster City to Rubiera | 6,046.65 mi (9,731.15 km) |
| Foster City to Ruffano | 6,524.18 mi (10,499.65 km) |
| Foster City to Russi | 6,097.48 mi (9,812.94 km) |
| Foster City to Rutigliano | 6,431.45 mi (10,350.41 km) |
| Foster City to Ruvo di Puglia | 6,409.31 mi (10,314.79 km) |
| Foster City to Sabaudia | 6,301.46 mi (10,141.23 km) |
