| Fort Collins to Rheinbach | 4,920.93 mi (7,919.48 km) |
| Fort Collins to Rheinberg | 4,867.64 mi (7,833.70 km) |
| Fort Collins to Rheine | 4,860.35 mi (7,821.98 km) |
| Fort Collins to Rheinfelden (Baden) | 5,092.52 mi (8,195.62 km) |
| Fort Collins to Ribnitz-Damgarten | 4,918.99 mi (7,916.36 km) |
| Fort Collins to Richterich | 4,883.87 mi (7,859.83 km) |
| Fort Collins to Riedlingen | 5,120.64 mi (8,240.88 km) |
| Fort Collins to Riegelsberg | 4,982.53 mi (8,018.61 km) |
| Fort Collins to Rielasingen-Worblingen | 5,119.70 mi (8,239.36 km) |
| Fort Collins to Riesa | 5,087.64 mi (8,187.76 km) |
| Fort Collins to Rietberg | 4,914.26 mi (7,908.74 km) |
| Fort Collins to Rinteln | 4,916.20 mi (7,911.87 km) |
| Fort Collins to Ritterhude | 4,859.64 mi (7,820.83 km) |
| Fort Collins to Rodenbach | 5,011.06 mi (8,064.52 km) |
| Fort Collins to Rodental | 5,069.36 mi (8,158.35 km) |
