| Romeoville to San Baudilio de Llobregat | 4,425.89 mi (7,122.79 km) |
| Romeoville to San Celoni | 4,431.94 mi (7,132.51 km) |
| Romeoville to San Cugat del Valles | 4,422.86 mi (7,117.91 km) |
| Romeoville to San Fausto de Campcentellas | 4,428.27 mi (7,126.61 km) |
| Romeoville to San Feliu de Guixols | 4,451.55 mi (7,164.08 km) |
| Romeoville to San Feliu de Llobregat | 4,424.55 mi (7,120.62 km) |
| Romeoville to San Fernando | 4,238.45 mi (6,821.13 km) |
| Romeoville to San Fernando de Henares | 4,215.20 mi (6,783.72 km) |
| Romeoville to San Fructuoso de Bages | 4,403.12 mi (7,086.13 km) |
| Romeoville to San Javier | 4,435.10 mi (7,137.60 km) |
| Romeoville to San Juan de Alicante | 4,429.98 mi (7,129.37 km) |
| Romeoville to San Juan de Aznalfarache | 4,213.74 mi (6,781.36 km) |
| Romeoville to San Juan de Vilasar | 4,434.87 mi (7,137.23 km) |
| Romeoville to San Juan del Puerto | 4,177.54 mi (6,723.11 km) |
| Romeoville to San Juan Despi | 4,425.75 mi (7,122.55 km) |
