| Highlands Ranch to Rosolini | 5,926.88 mi (9,538.38 km) |
| Highlands Ranch to Rossano | 5,845.75 mi (9,407.82 km) |
| Highlands Ranch to Rottofreno | 5,321.78 mi (8,564.58 km) |
| Highlands Ranch to Rovato | 5,313.04 mi (8,550.51 km) |
| Highlands Ranch to Roverbella | 5,354.17 mi (8,616.71 km) |
| Highlands Ranch to Rovereto | 5,333.96 mi (8,584.18 km) |
| Highlands Ranch to Rovigo | 5,398.65 mi (8,688.29 km) |
| Highlands Ranch to Rozzano | 5,292.21 mi (8,516.98 km) |
| Highlands Ranch to Rubano | 5,380.99 mi (8,659.87 km) |
| Highlands Ranch to Rubiera | 5,384.72 mi (8,665.87 km) |
| Highlands Ranch to Ruffano | 5,880.08 mi (9,463.08 km) |
| Highlands Ranch to Russi | 5,441.56 mi (8,757.35 km) |
| Highlands Ranch to Rutigliano | 5,784.02 mi (9,308.49 km) |
| Highlands Ranch to Ruvo di Puglia | 5,760.16 mi (9,270.09 km) |
| Highlands Ranch to Sabaudia | 5,629.40 mi (9,059.64 km) |
