| Prospect Heights to Racale | 5,120.94 mi (8,241.36 km) |
| Prospect Heights to Racconigi | 4,499.57 mi (7,241.35 km) |
| Prospect Heights to Raffadali | 5,052.91 mi (8,131.88 km) |
| Prospect Heights to Ragusa | 5,124.42 mi (8,246.96 km) |
| Prospect Heights to Ramacca | 5,102.32 mi (8,211.39 km) |
| Prospect Heights to Randazzo | 5,089.93 mi (8,191.45 km) |
| Prospect Heights to Rapallo | 4,578.23 mi (7,367.94 km) |
| Prospect Heights to Ravanusa | 5,077.24 mi (8,171.02 km) |
| Prospect Heights to Ravenna | 4,692.18 mi (7,551.33 km) |
| Prospect Heights to Recanati | 4,788.40 mi (7,706.19 km) |
| Prospect Heights to Recco | 4,574.23 mi (7,361.51 km) |
| Prospect Heights to Reggello | 4,697.12 mi (7,559.28 km) |
| Prospect Heights to Reggio di Calabria | 5,108.07 mi (8,220.65 km) |
| Prospect Heights to Reggio Emilia | 4,619.00 mi (7,433.55 km) |
| Prospect Heights to Reggiolo | 4,617.14 mi (7,430.57 km) |
