| Romeoville to San Lorenzo de Descardazar | 4,547.61 mi (7,318.68 km) |
| Romeoville to San Lorenzo de El Escorial | 4,181.93 mi (6,730.17 km) |
| Romeoville to San Martin de la Vega | 4,221.41 mi (6,793.71 km) |
| Romeoville to San Martin de Valdeiglesias | 4,178.61 mi (6,724.82 km) |
| Romeoville to San Pedro de Ribas | 4,417.62 mi (7,109.47 km) |
| Romeoville to San Roque | 4,286.24 mi (6,898.04 km) |
| Romeoville to San Sebastian de la Gomera | 4,018.15 mi (6,466.59 km) |
| Romeoville to San Sebastian de los Reyes | 4,206.76 mi (6,770.12 km) |
| Romeoville to San Vicente de Baracaldo | 4,136.53 mi (6,657.09 km) |
| Romeoville to San Vicente de Castellet | 4,406.00 mi (7,090.77 km) |
| Romeoville to San Vicente del Raspeig | 4,426.19 mi (7,123.27 km) |
| Romeoville to San Vicente dels Horts | 4,422.69 mi (7,117.64 km) |
| Romeoville to Sangenjo | 3,910.48 mi (6,293.32 km) |
| Romeoville to Sanlucar de Barrameda | 4,220.32 mi (6,791.94 km) |
| Romeoville to Sanlucar la Mayor | 4,204.62 mi (6,766.68 km) |
