| Fort Collins to Redon | 4,737.29 mi (7,623.92 km) |
| Fort Collins to Reims | 4,885.75 mi (7,862.86 km) |
| Fort Collins to Rennes | 4,732.80 mi (7,616.70 km) |
| Fort Collins to Revel | 5,073.30 mi (8,164.68 km) |
| Fort Collins to Reze | 4,775.74 mi (7,685.80 km) |
| Fort Collins to Riedisheim | 5,069.24 mi (8,158.16 km) |
| Fort Collins to Rillieux-la-Pape | 5,072.57 mi (8,163.51 km) |
| Fort Collins to Riom | 5,004.72 mi (8,054.32 km) |
| Fort Collins to Riorges | 5,031.58 mi (8,097.54 km) |
| Fort Collins to Ris-Orangis | 4,856.64 mi (7,816.01 km) |
| Fort Collins to Rive-de-Gier | 5,075.88 mi (8,168.84 km) |
| Fort Collins to Rivesaltes | 5,137.67 mi (8,268.28 km) |
| Fort Collins to Rixheim | 5,070.50 mi (8,160.19 km) |
| Fort Collins to Roanne | 5,032.88 mi (8,099.63 km) |
| Fort Collins to Roche-la-Moliere | 5,069.65 mi (8,158.81 km) |
