| Barstow to Rosolini | 6,602.69 mi (10,626.00 km) |
| Barstow to Rossano | 6,506.43 mi (10,471.09 km) |
| Barstow to Rottofreno | 5,984.29 mi (9,630.79 km) |
| Barstow to Rovato | 5,972.18 mi (9,611.30 km) |
| Barstow to Roverbella | 6,012.22 mi (9,675.73 km) |
| Barstow to Rovereto | 5,988.64 mi (9,637.79 km) |
| Barstow to Rovigo | 6,054.28 mi (9,743.42 km) |
| Barstow to Rozzano | 5,954.59 mi (9,582.99 km) |
| Barstow to Rubano | 6,035.23 mi (9,712.76 km) |
| Barstow to Rubiera | 6,045.17 mi (9,728.75 km) |
| Barstow to Ruffano | 6,533.52 mi (10,514.69 km) |
| Barstow to Russi | 6,099.24 mi (9,815.79 km) |
| Barstow to Rutigliano | 6,438.77 mi (10,362.19 km) |
| Barstow to Ruvo di Puglia | 6,415.67 mi (10,325.03 km) |
| Barstow to Sabaudia | 6,295.66 mi (10,131.88 km) |
