| Rockford to Cuenca | 4,311.14 mi (6,938.10 km) |
| Rockford to Cuevas del Almanzora | 4,431.05 mi (7,131.09 km) |
| Rockford to Cullera | 4,429.77 mi (7,129.03 km) |
| Rockford to Culleredo | 3,920.52 mi (6,309.47 km) |
| Rockford to Cunit | 4,431.74 mi (7,132.19 km) |
| Rockford to Daganzo de Arriba | 4,235.45 mi (6,816.31 km) |
| Rockford to Daimiel | 4,283.33 mi (6,893.36 km) |
| Rockford to Don Benito | 4,186.98 mi (6,738.29 km) |
| Rockford to Donostia | 4,196.75 mi (6,754.01 km) |
| Rockford to Dos Hermanas | 4,246.86 mi (6,834.66 km) |
| Rockford to Durango | 4,174.52 mi (6,718.24 km) |
| Rockford to Ecija | 4,275.85 mi (6,881.31 km) |
| Rockford to Ejea de los Caballeros | 4,277.08 mi (6,883.29 km) |
| Rockford to El Alamo | 4,223.33 mi (6,796.79 km) |
| Rockford to El Arahal | 4,264.61 mi (6,863.22 km) |
