| Fort Collins to Rivalta di Torino | 5,202.86 mi (8,373.19 km) |
| Fort Collins to Rivarolo Canavese | 5,195.73 mi (8,361.72 km) |
| Fort Collins to Rivoli | 5,201.13 mi (8,370.41 km) |
| Fort Collins to Rocca di Papa | 5,546.76 mi (8,926.65 km) |
| Fort Collins to Rocca Priora | 5,547.68 mi (8,928.12 km) |
| Fort Collins to Roccapiemonte | 5,667.25 mi (9,120.55 km) |
| Fort Collins to Roccastrada | 5,430.08 mi (8,738.86 km) |
| Fort Collins to Romano di Lombardia | 5,257.55 mi (8,461.20 km) |
| Fort Collins to Rome | 5,532.16 mi (8,903.14 km) |
| Fort Collins to Roncade | 5,341.28 mi (8,595.96 km) |
| Fort Collins to Ronchi dei Legionari | 5,368.04 mi (8,639.02 km) |
| Fort Collins to Ronciglione | 5,502.79 mi (8,855.89 km) |
| Fort Collins to Rosa | 5,316.27 mi (8,555.71 km) |
| Fort Collins to Rosarno | 5,830.60 mi (9,383.44 km) |
| Fort Collins to Rosignano Marittimo | 5,386.10 mi (8,668.09 km) |
