| Fort Collins to Redondela | 4,699.95 mi (7,563.83 km) |
| Fort Collins to Reinosa | 4,853.36 mi (7,810.73 km) |
| Fort Collins to Requena | 5,128.43 mi (8,253.42 km) |
| Fort Collins to Reus | 5,142.50 mi (8,276.05 km) |
| Fort Collins to Rianxo | 4,676.97 mi (7,526.85 km) |
| Fort Collins to Ribadeo | 4,714.35 mi (7,587.02 km) |
| Fort Collins to Rincon de la Victoria | 5,116.74 mi (8,234.60 km) |
| Fort Collins to Ripoll | 5,137.32 mi (8,267.72 km) |
| Fort Collins to Ripollet | 5,168.07 mi (8,317.21 km) |
| Fort Collins to Rojales | 5,206.33 mi (8,378.78 km) |
| Fort Collins to Ronda | 5,077.85 mi (8,172.01 km) |
| Fort Collins to Roquetas de Mar | 5,185.99 mi (8,346.05 km) |
| Fort Collins to Rosas | 5,172.30 mi (8,324.01 km) |
| Fort Collins to Rubi | 5,163.37 mi (8,309.65 km) |
| Fort Collins to Rute | 5,087.08 mi (8,186.87 km) |
