| Romeoville to Campo de Criptana | 4,271.60 mi (6,874.48 km) |
| Romeoville to Campos del Puerto | 4,543.07 mi (7,311.36 km) |
| Romeoville to Canals | 4,401.85 mi (7,084.09 km) |
| Romeoville to Candelaria | 4,045.52 mi (6,510.63 km) |
| Romeoville to Canet de Mar | 4,439.72 mi (7,145.03 km) |
| Romeoville to Cangas | 3,916.12 mi (6,302.39 km) |
| Romeoville to Cangas de Narcea | 3,985.85 mi (6,414.60 km) |
| Romeoville to Canovellas | 4,425.77 mi (7,122.58 km) |
| Romeoville to Canteras | 4,432.99 mi (7,134.21 km) |
| Romeoville to Cantillana | 4,214.45 mi (6,782.50 km) |
| Romeoville to Capdepera | 4,550.45 mi (7,323.25 km) |
| Romeoville to Carballo | 3,889.40 mi (6,259.39 km) |
| Romeoville to Carcagente | 4,401.77 mi (7,083.96 km) |
| Romeoville to Cardedeu | 4,428.23 mi (7,126.55 km) |
| Romeoville to Carlet | 4,394.57 mi (7,072.37 km) |
