| Holbrook to Cadiz | 3,526.17 mi (5,674.83 km) |
| Holbrook to Calafell | 3,762.95 mi (6,055.88 km) |
| Holbrook to Calahorra | 3,565.68 mi (5,738.41 km) |
| Holbrook to Calasparra | 3,699.13 mi (5,953.18 km) |
| Holbrook to Calatayud | 3,608.40 mi (5,807.15 km) |
| Holbrook to Caldas de Montbuy | 3,777.56 mi (6,079.40 km) |
| Holbrook to Caldas de Reyes | 3,243.28 mi (5,219.55 km) |
| Holbrook to Calella | 3,801.05 mi (6,117.20 km) |
| Holbrook to Callosa de Segura | 3,742.21 mi (6,022.50 km) |
| Holbrook to Calpe | 3,770.18 mi (6,067.51 km) |
| Holbrook to Calvia | 3,858.03 mi (6,208.89 km) |
| Holbrook to Camas | 3,512.76 mi (5,653.25 km) |
| Holbrook to Cambados | 3,238.11 mi (5,211.23 km) |
| Holbrook to Cambre | 3,241.20 mi (5,216.21 km) |
| Holbrook to Cambrils | 3,743.05 mi (6,023.86 km) |
