| Harrison to Carmona | 3,557.10 mi (5,724.60 km) |
| Harrison to Cartagena | 3,779.39 mi (6,082.35 km) |
| Harrison to Cartama | 3,630.03 mi (5,841.96 km) |
| Harrison to Cartaya | 3,488.12 mi (5,613.58 km) |
| Harrison to Caspe | 3,710.36 mi (5,971.24 km) |
| Harrison to Cassa de la Selva | 3,824.74 mi (6,155.33 km) |
| Harrison to Castalla | 3,762.28 mi (6,054.81 km) |
| Harrison to Castellbisbal | 3,796.52 mi (6,109.90 km) |
| Harrison to Castelldefels | 3,802.39 mi (6,119.35 km) |
| Harrison to Castello de Ampurias | 3,822.43 mi (6,151.60 km) |
| Harrison to Castellon de la Plana | 3,748.85 mi (6,033.20 km) |
| Harrison to Castilleja de la Cuesta | 3,539.21 mi (5,695.82 km) |
| Harrison to Catarroja | 3,749.45 mi (6,034.16 km) |
| Harrison to Catral | 3,769.85 mi (6,066.99 km) |
| Harrison to Caudete | 3,743.66 mi (6,024.83 km) |
