| Maryland Heights to Racale | 5,375.55 mi (8,651.11 km) |
| Maryland Heights to Racconigi | 4,752.52 mi (7,648.45 km) |
| Maryland Heights to Raffadali | 5,299.97 mi (8,529.48 km) |
| Maryland Heights to Ragusa | 5,371.96 mi (8,645.34 km) |
| Maryland Heights to Ramacca | 5,350.49 mi (8,610.79 km) |
| Maryland Heights to Randazzo | 5,339.06 mi (8,592.38 km) |
| Maryland Heights to Rapallo | 4,831.70 mi (7,775.87 km) |
| Maryland Heights to Ravanusa | 5,324.52 mi (8,568.99 km) |
| Maryland Heights to Ravenna | 4,947.84 mi (7,962.77 km) |
| Maryland Heights to Recanati | 5,043.73 mi (8,117.10 km) |
| Maryland Heights to Recco | 4,827.67 mi (7,769.38 km) |
| Maryland Heights to Reggello | 4,951.35 mi (7,968.43 km) |
| Maryland Heights to Reggio di Calabria | 5,358.18 mi (8,623.15 km) |
| Maryland Heights to Reggio Emilia | 4,873.94 mi (7,843.84 km) |
| Maryland Heights to Reggiolo | 4,872.49 mi (7,841.52 km) |
