| Holbrook to Carmona | 3,530.52 mi (5,681.82 km) |
| Holbrook to Cartagena | 3,753.87 mi (6,041.26 km) |
| Holbrook to Cartama | 3,603.26 mi (5,798.88 km) |
| Holbrook to Cartaya | 3,461.13 mi (5,570.14 km) |
| Holbrook to Caspe | 3,687.01 mi (5,933.67 km) |
| Holbrook to Cassa de la Selva | 3,802.38 mi (6,119.34 km) |
| Holbrook to Castalla | 3,737.35 mi (6,014.68 km) |
| Holbrook to Castellbisbal | 3,773.73 mi (6,073.23 km) |
| Holbrook to Castelldefels | 3,779.49 mi (6,082.51 km) |
| Holbrook to Castello de Ampurias | 3,800.32 mi (6,116.03 km) |
| Holbrook to Castellon de la Plana | 3,724.80 mi (5,994.49 km) |
| Holbrook to Castilleja de la Cuesta | 3,512.50 mi (5,652.82 km) |
| Holbrook to Catarroja | 3,725.00 mi (5,994.81 km) |
| Holbrook to Catral | 3,744.65 mi (6,026.43 km) |
| Holbrook to Caudete | 3,718.71 mi (5,984.69 km) |
