| Mattoon to Carmona | 4,307.03 mi (6,931.49 km) |
| Mattoon to Cartagena | 4,520.51 mi (7,275.06 km) |
| Mattoon to Cartama | 4,381.15 mi (7,050.77 km) |
| Mattoon to Cartaya | 4,241.17 mi (6,825.50 km) |
| Mattoon to Caspe | 4,432.49 mi (7,133.40 km) |
| Mattoon to Cassa de la Selva | 4,536.88 mi (7,301.40 km) |
| Mattoon to Castalla | 4,498.49 mi (7,239.62 km) |
| Mattoon to Castellbisbal | 4,512.93 mi (7,262.86 km) |
| Mattoon to Castelldefels | 4,519.87 mi (7,274.02 km) |
| Mattoon to Castello de Ampurias | 4,532.04 mi (7,293.62 km) |
| Mattoon to Castellon de la Plana | 4,477.29 mi (7,205.51 km) |
| Mattoon to Castilleja de la Cuesta | 4,290.14 mi (6,904.32 km) |
| Mattoon to Catarroja | 4,481.43 mi (7,212.17 km) |
| Mattoon to Catral | 4,508.25 mi (7,255.32 km) |
| Mattoon to Caudete | 4,480.01 mi (7,209.88 km) |
