| Rio Grande City to Racale | 6,319.19 mi (10,169.75 km) |
| Rio Grande City to Racconigi | 5,693.46 mi (9,162.74 km) |
| Rio Grande City to Raffadali | 6,221.43 mi (10,012.42 km) |
| Rio Grande City to Ragusa | 6,294.52 mi (10,130.05 km) |
| Rio Grande City to Ramacca | 6,275.07 mi (10,098.76 km) |
| Rio Grande City to Randazzo | 6,266.56 mi (10,085.06 km) |
| Rio Grande City to Rapallo | 5,773.83 mi (9,292.08 km) |
| Rio Grande City to Ravanusa | 6,246.55 mi (10,052.85 km) |
| Rio Grande City to Ravenna | 5,895.74 mi (9,488.27 km) |
| Rio Grande City to Recanati | 5,990.43 mi (9,640.66 km) |
| Rio Grande City to Recco | 5,769.71 mi (9,285.45 km) |
| Rio Grande City to Reggello | 5,895.23 mi (9,487.45 km) |
| Rio Grande City to Reggio di Calabria | 6,288.54 mi (10,120.42 km) |
| Rio Grande City to Reggio Emilia | 5,820.05 mi (9,366.46 km) |
| Rio Grande City to Reggiolo | 5,819.75 mi (9,365.98 km) |
