| Huntsville to Redondela | 4,103.41 mi (6,603.80 km) |
| Huntsville to Reinosa | 4,296.25 mi (6,914.14 km) |
| Huntsville to Requena | 4,540.23 mi (7,306.79 km) |
| Huntsville to Reus | 4,593.93 mi (7,393.22 km) |
| Huntsville to Rianxo | 4,084.92 mi (6,574.04 km) |
| Huntsville to Ribadeo | 4,147.07 mi (6,674.07 km) |
| Huntsville to Rincon de la Victoria | 4,467.63 mi (7,189.96 km) |
| Huntsville to Ripoll | 4,611.71 mi (7,421.82 km) |
| Huntsville to Ripollet | 4,632.02 mi (7,454.52 km) |
| Huntsville to Rojales | 4,601.27 mi (7,405.03 km) |
| Huntsville to Ronda | 4,422.94 mi (7,118.04 km) |
| Huntsville to Roquetas de Mar | 4,549.24 mi (7,321.30 km) |
| Huntsville to Rosas | 4,654.74 mi (7,491.08 km) |
| Huntsville to Rubi | 4,626.36 mi (7,445.41 km) |
| Huntsville to Rute | 4,445.64 mi (7,154.57 km) |
