| Fort Collins to Reichenbach/Vogtland | 5,091.48 mi (8,193.94 km) |
| Fort Collins to Reinbek | 4,889.51 mi (7,868.91 km) |
| Fort Collins to Reinfeld | 4,881.12 mi (7,855.40 km) |
| Fort Collins to Reinheim | 5,019.83 mi (8,078.64 km) |
| Fort Collins to Reiskirchen | 4,983.34 mi (8,019.92 km) |
| Fort Collins to Rellingen | 4,869.93 mi (7,837.39 km) |
| Fort Collins to Remagen | 4,932.61 mi (7,938.26 km) |
| Fort Collins to Remscheid | 4,903.64 mi (7,891.65 km) |
| Fort Collins to Rendsburg | 4,834.91 mi (7,781.03 km) |
| Fort Collins to Renningen | 5,073.63 mi (8,165.22 km) |
| Fort Collins to Reutlingen | 5,096.45 mi (8,201.94 km) |
| Fort Collins to Rhaude | 4,823.38 mi (7,762.47 km) |
| Fort Collins to Rheda-Wiedenbruck | 4,908.12 mi (7,898.86 km) |
| Fort Collins to Rhede | 4,857.74 mi (7,817.77 km) |
| Fort Collins to Rheinau | 5,045.11 mi (8,119.33 km) |
