| Warrenville to Rome (New York) | 653.04 mi (1,050.96 km) |
| Warrenville to Romeoville (Illinois) | 13.80 mi (22.21 km) |
| Warrenville to Romulus (Michigan) | 248.91 mi (400.59 km) |
| Warrenville to Ronkonkoma (New York) | 783.77 mi (1,261.36 km) |
| Warrenville to Roosevelt (New York) | 761.68 mi (1,225.81 km) |
| Warrenville to Rosamond (California) | 1,687.04 mi (2,715.03 km) |
| Warrenville to Rosaryville (Maryland) | 634.12 mi (1,020.52 km) |
| Warrenville to Roscoe (Illinois) | 59.36 mi (95.52 km) |
| Warrenville to Rose Hill (Virginia) | 619.62 mi (997.17 km) |
| Warrenville to Roseburg (Oregon) | 1,780.18 mi (2,864.92 km) |
| Warrenville to Rosedale (California) | 1,722.55 mi (2,772.18 km) |
| Warrenville to Rosedale (Maryland) | 636.03 mi (1,023.59 km) |
| Warrenville to Roselle (Illinois) | 12.18 mi (19.61 km) |
| Warrenville to Roselle (New Jersey) | 727.23 mi (1,170.36 km) |
| Warrenville to Roselle Park (New Jersey) | 726.72 mi (1,169.54 km) |
