| Romeoville to Racale | 5,148.76 mi (8,286.13 km) |
| Romeoville to Racconigi | 4,527.00 mi (7,285.51 km) |
| Romeoville to Raffadali | 5,079.16 mi (8,174.12 km) |
| Romeoville to Ragusa | 5,150.77 mi (8,289.37 km) |
| Romeoville to Ramacca | 5,128.80 mi (8,254.00 km) |
| Romeoville to Randazzo | 5,116.60 mi (8,234.37 km) |
| Romeoville to Rapallo | 4,605.78 mi (7,412.28 km) |
| Romeoville to Ravanusa | 5,103.53 mi (8,213.34 km) |
| Romeoville to Ravenna | 4,720.22 mi (7,596.45 km) |
| Romeoville to Recanati | 4,816.37 mi (7,751.20 km) |
| Romeoville to Recco | 4,601.77 mi (7,405.84 km) |
| Romeoville to Reggello | 4,724.84 mi (7,603.89 km) |
| Romeoville to Reggio di Calabria | 5,134.94 mi (8,263.89 km) |
| Romeoville to Reggio Emilia | 4,646.87 mi (7,478.41 km) |
| Romeoville to Reggiolo | 4,645.10 mi (7,475.57 km) |
