| Riverdale to Racale | 5,353.30 mi (8,615.31 km) |
| Riverdale to Racconigi | 4,727.67 mi (7,608.45 km) |
| Riverdale to Raffadali | 5,241.18 mi (8,434.86 km) |
| Riverdale to Ragusa | 5,314.62 mi (8,553.05 km) |
| Riverdale to Ramacca | 5,296.26 mi (8,523.51 km) |
| Riverdale to Randazzo | 5,289.38 mi (8,512.44 km) |
| Riverdale to Rapallo | 4,808.74 mi (7,738.92 km) |
| Riverdale to Ravanusa | 5,266.51 mi (8,475.63 km) |
| Riverdale to Ravenna | 4,935.60 mi (7,943.08 km) |
| Riverdale to Recanati | 5,028.69 mi (8,092.89 km) |
| Riverdale to Recco | 4,804.55 mi (7,732.18 km) |
| Riverdale to Reggello | 4,931.21 mi (7,936.01 km) |
| Riverdale to Reggio di Calabria | 5,312.98 mi (8,550.41 km) |
| Riverdale to Reggio Emilia | 4,858.45 mi (7,818.91 km) |
| Riverdale to Reggiolo | 4,859.30 mi (7,820.28 km) |
