| Fort Collins to Rodgau | 5,012.54 mi (8,066.90 km) |
| Fort Collins to Roding | 5,168.08 mi (8,317.23 km) |
| Fort Collins to Rodinghausen | 4,894.53 mi (7,876.99 km) |
| Fort Collins to Roetgen | 4,895.62 mi (7,878.75 km) |
| Fort Collins to Rommerskirchen | 4,894.04 mi (7,876.20 km) |
| Fort Collins to Ronnenberg | 4,927.87 mi (7,930.65 km) |
| Fort Collins to Rosbach vor der Hohe | 4,993.31 mi (8,035.96 km) |
| Fort Collins to Rosdorf | 4,974.35 mi (8,005.44 km) |
| Fort Collins to Rosenheim | 5,222.65 mi (8,405.04 km) |
| Fort Collins to Rosrath | 4,916.20 mi (7,911.85 km) |
| Fort Collins to Rossdorf | 5,015.91 mi (8,072.32 km) |
| Fort Collins to Rosstal | 5,106.43 mi (8,218.00 km) |
| Fort Collins to Rostock | 4,917.46 mi (7,913.88 km) |
| Fort Collins to Rotenburg an der Fulda | 4,992.96 mi (8,035.39 km) |
| Fort Collins to Roth | 5,120.56 mi (8,240.75 km) |
