| Romeoville to Lombard (Illinois) | 17.29 mi (27.83 km) |
| Romeoville to Lomita (California) | 1,727.84 mi (2,780.69 km) |
| Romeoville to Lompoc (California) | 1,811.94 mi (2,916.04 km) |
| Romeoville to London (Ohio) | 271.89 mi (437.57 km) |
| Romeoville to Lone Tree (Colorado) | 890.49 mi (1,433.10 km) |
| Romeoville to Long Beach (California) | 1,720.01 mi (2,768.09 km) |
| Romeoville to Long Beach (Mississippi) | 781.01 mi (1,256.91 km) |
| Romeoville to Long Beach (New York) | 753.95 mi (1,213.36 km) |
| Romeoville to Long Branch (New Jersey) | 740.99 mi (1,192.50 km) |
| Romeoville to Longmont (Colorado) | 892.12 mi (1,435.73 km) |
| Romeoville to Longview (Texas) | 728.34 mi (1,172.14 km) |
| Romeoville to Longview (Washington) | 1,749.24 mi (2,815.12 km) |
| Romeoville to Longwood (Florida) | 970.55 mi (1,561.95 km) |
| Romeoville to Lorain (Ohio) | 306.18 mi (492.74 km) |
| Romeoville to Lorton (Virginia) | 608.81 mi (979.79 km) |
