| Prospect Heights to Redondela | 3,899.14 mi (6,275.05 km) |
| Prospect Heights to Reinosa | 4,072.13 mi (6,553.46 km) |
| Prospect Heights to Requena | 4,334.76 mi (6,976.11 km) |
| Prospect Heights to Reus | 4,367.74 mi (7,029.19 km) |
| Prospect Heights to Rianxo | 3,877.99 mi (6,241.03 km) |
| Prospect Heights to Ribadeo | 3,927.13 mi (6,320.11 km) |
| Prospect Heights to Rincon de la Victoria | 4,296.21 mi (6,914.09 km) |
| Prospect Heights to Ripoll | 4,373.87 mi (7,039.06 km) |
| Prospect Heights to Ripollet | 4,399.66 mi (7,080.58 km) |
| Prospect Heights to Rojales | 4,405.54 mi (7,090.04 km) |
| Prospect Heights to Ronda | 4,254.66 mi (6,847.22 km) |
| Prospect Heights to Roquetas de Mar | 4,371.15 mi (7,034.68 km) |
| Prospect Heights to Rosas | 4,413.19 mi (7,102.34 km) |
| Prospect Heights to Rubi | 4,394.45 mi (7,072.19 km) |
| Prospect Heights to Rute | 4,269.57 mi (6,871.21 km) |
