| Wheat Ridge to Racale | 5,868.13 mi (9,443.84 km) |
| Wheat Ridge to Racconigi | 5,262.26 mi (8,468.78 km) |
| Wheat Ridge to Raffadali | 5,837.75 mi (9,394.96 km) |
| Wheat Ridge to Ragusa | 5,906.62 mi (9,505.79 km) |
| Wheat Ridge to Ramacca | 5,881.96 mi (9,466.10 km) |
| Wheat Ridge to Randazzo | 5,865.42 mi (9,439.48 km) |
| Wheat Ridge to Rapallo | 5,337.36 mi (8,589.65 km) |
| Wheat Ridge to Ravanusa | 5,860.91 mi (9,432.22 km) |
| Wheat Ridge to Ravenna | 5,437.81 mi (8,751.31 km) |
| Wheat Ridge to Recanati | 5,534.93 mi (8,907.61 km) |
| Wheat Ridge to Recco | 5,333.60 mi (8,583.60 km) |
| Wheat Ridge to Reggello | 5,450.87 mi (8,772.33 km) |
| Wheat Ridge to Reggio di Calabria | 5,878.86 mi (9,461.11 km) |
| Wheat Ridge to Reggio Emilia | 5,369.60 mi (8,641.54 km) |
| Wheat Ridge to Reggiolo | 5,365.40 mi (8,634.77 km) |
