| Silver Spring to Racale | 4,798.19 mi (7,721.95 km) |
| Silver Spring to Racconigi | 4,172.36 mi (6,714.77 km) |
| Silver Spring to Raffadali | 4,691.01 mi (7,549.46 km) |
| Silver Spring to Ragusa | 4,764.28 mi (7,667.36 km) |
| Silver Spring to Ramacca | 4,745.36 mi (7,636.91 km) |
| Silver Spring to Randazzo | 4,737.71 mi (7,624.61 km) |
| Silver Spring to Rapallo | 4,253.32 mi (6,845.06 km) |
| Silver Spring to Ravanusa | 4,716.23 mi (7,590.05 km) |
| Silver Spring to Ravenna | 4,379.46 mi (7,048.05 km) |
| Silver Spring to Recanati | 4,472.78 mi (7,198.24 km) |
| Silver Spring to Recco | 4,249.15 mi (6,838.34 km) |
| Silver Spring to Reggello | 4,375.63 mi (7,041.90 km) |
| Silver Spring to Reggio di Calabria | 4,760.64 mi (7,661.50 km) |
| Silver Spring to Reggio Emilia | 4,302.47 mi (6,924.16 km) |
| Silver Spring to Reggiolo | 4,303.17 mi (6,925.29 km) |
