| Prospect Heights to Reidsville (North Carolina) | 594.40 mi (956.60 km) |
| Prospect Heights to Reisterstown (Maryland) | 609.01 mi (980.10 km) |
| Prospect Heights to Rendon (Texas) | 832.28 mi (1,339.42 km) |
| Prospect Heights to Reno (Nevada) | 1,668.46 mi (2,685.13 km) |
| Prospect Heights to Renton (Washington) | 1,705.99 mi (2,745.52 km) |
| Prospect Heights to Republic (Missouri) | 451.03 mi (725.86 km) |
| Prospect Heights to Reston (Virginia) | 596.36 mi (959.75 km) |
| Prospect Heights to Revere (Massachusetts) | 864.18 mi (1,390.77 km) |
| Prospect Heights to Rexburg (Idaho) | 1,208.27 mi (1,944.52 km) |
| Prospect Heights to Reynoldsburg (Ohio) | 305.74 mi (492.04 km) |
| Prospect Heights to Rialto (California) | 1,684.12 mi (2,710.33 km) |
| Prospect Heights to Richardson (Texas) | 792.55 mi (1,275.49 km) |
| Prospect Heights to Richfield (Minnesota) | 329.70 mi (530.60 km) |
| Prospect Heights to Richfield (Wisconsin) | 79.92 mi (128.62 km) |
| Prospect Heights to Richland (Washington) | 1,569.81 mi (2,526.36 km) |
