| Romeoville to La Crescenta-Montrose (California) | 1,710.00 mi (2,751.97 km) |
| Romeoville to La Crosse (Wisconsin) | 219.36 mi (353.03 km) |
| Romeoville to La Grande (Oregon) | 1,515.87 mi (2,439.56 km) |
| Romeoville to La Grange (Illinois) | 16.80 mi (27.04 km) |
| Romeoville to La Grange Park (Illinois) | 18.07 mi (29.08 km) |
| Romeoville to La Habra (California) | 1,704.90 mi (2,743.77 km) |
| Romeoville to La Homa (Texas) | 1,210.61 mi (1,948.29 km) |
| Romeoville to La Marque (Texas) | 931.04 mi (1,498.37 km) |
| Romeoville to La Mesa (California) | 1,695.41 mi (2,728.49 km) |
| Romeoville to La Mirada (California) | 1,708.66 mi (2,749.82 km) |
| Romeoville to La Palma (California) | 1,711.90 mi (2,755.04 km) |
| Romeoville to La Porte (Indiana) | 71.58 mi (115.20 km) |
| Romeoville to La Porte (Texas) | 913.19 mi (1,469.64 km) |
| Romeoville to La Presa (California) | 1,696.53 mi (2,730.31 km) |
| Romeoville to La Puente (California) | 1,701.74 mi (2,738.69 km) |
