| Denver to Redondela | 4,725.16 mi (7,604.41 km) |
| Denver to Reinosa | 4,880.86 mi (7,854.98 km) |
| Denver to Requena | 5,154.75 mi (8,295.77 km) |
| Denver to Reus | 5,170.86 mi (8,321.70 km) |
| Denver to Rianxo | 4,702.38 mi (7,567.75 km) |
| Denver to Ribadeo | 4,741.11 mi (7,630.08 km) |
| Denver to Rincon de la Victoria | 5,139.72 mi (8,271.58 km) |
| Denver to Ripoll | 5,166.81 mi (8,315.19 km) |
| Denver to Ripollet | 5,197.10 mi (8,363.92 km) |
| Denver to Rojales | 5,231.87 mi (8,419.88 km) |
| Denver to Ronda | 5,100.45 mi (8,208.37 km) |
| Denver to Roquetas de Mar | 5,209.77 mi (8,384.31 km) |
| Denver to Rosas | 5,202.23 mi (8,372.18 km) |
| Denver to Rubi | 5,192.35 mi (8,356.27 km) |
| Denver to Rute | 5,110.45 mi (8,224.48 km) |
