| Potomac Park to Racale | 6,558.57 mi (10,554.99 km) |
| Potomac Park to Racconigi | 5,972.88 mi (9,612.41 km) |
| Potomac Park to Raffadali | 6,559.57 mi (10,556.60 km) |
| Potomac Park to Ragusa | 6,625.54 mi (10,662.77 km) |
| Potomac Park to Ramacca | 6,599.04 mi (10,620.12 km) |
| Potomac Park to Randazzo | 6,579.26 mi (10,588.30 km) |
| Potomac Park to Rapallo | 6,044.28 mi (9,727.33 km) |
| Potomac Park to Ravanusa | 6,581.52 mi (10,591.94 km) |
| Potomac Park to Ravenna | 6,132.76 mi (9,869.72 km) |
| Potomac Park to Recanati | 6,229.30 mi (10,025.08 km) |
| Potomac Park to Recco | 6,040.75 mi (9,721.65 km) |
| Potomac Park to Reggello | 6,152.11 mi (9,900.87 km) |
| Potomac Park to Reggio di Calabria | 6,588.68 mi (10,603.46 km) |
| Potomac Park to Reggio Emilia | 6,069.41 mi (9,767.77 km) |
| Potomac Park to Reggiolo | 6,063.40 mi (9,758.10 km) |
