| Highlands Ranch to Radauti | 5,689.79 mi (9,156.83 km) |
| Highlands Ranch to Ramnicu Sarat | 5,859.68 mi (9,430.24 km) |
| Highlands Ranch to Ramnicu Valcea | 5,798.34 mi (9,331.53 km) |
| Highlands Ranch to Rasnov | 5,802.55 mi (9,338.30 km) |
| Highlands Ranch to Reghin | 5,715.46 mi (9,198.15 km) |
| Highlands Ranch to Resita | 5,713.66 mi (9,195.25 km) |
| Highlands Ranch to Roman | 5,768.58 mi (9,283.63 km) |
| Highlands Ranch to Rosiori de Vede | 5,871.57 mi (9,449.39 km) |
| Highlands Ranch to Rovinari | 5,773.05 mi (9,290.82 km) |
| Highlands Ranch to Roznov | 5,762.44 mi (9,273.76 km) |
| Highlands Ranch to Sabaoani | 5,761.51 mi (9,272.26 km) |
| Highlands Ranch to Sacele | 5,808.16 mi (9,347.33 km) |
| Highlands Ranch to Sacueni | 5,608.71 mi (9,026.34 km) |
| Highlands Ranch to Salcea | 5,712.84 mi (9,193.93 km) |
| Highlands Ranch to Salonta | 5,625.56 mi (9,053.46 km) |
