| Holbrook to Castrovillari | 4,477.29 mi (7,205.51 km) |
| Holbrook to Catania | 4,515.51 mi (7,267.01 km) |
| Holbrook to Catanzaro | 4,530.06 mi (7,290.42 km) |
| Holbrook to Cattolica | 4,175.45 mi (6,719.74 km) |
| Holbrook to Cava de' Tirreni | 4,377.77 mi (7,045.34 km) |
| Holbrook to Cavallino | 4,546.31 mi (7,316.58 km) |
| Holbrook to Cavarzere | 4,107.90 mi (6,611.02 km) |
| Holbrook to Cave | 4,259.21 mi (6,854.53 km) |
| Holbrook to Cavriago | 4,055.80 mi (6,527.19 km) |
| Holbrook to Cavriglia | 4,136.53 mi (6,657.10 km) |
| Holbrook to Cazzago San Martino | 4,005.42 mi (6,446.10 km) |
| Holbrook to Ceccano | 4,285.80 mi (6,897.32 km) |
| Holbrook to Cecina | 4,100.92 mi (6,599.80 km) |
| Holbrook to Cefalu | 4,446.27 mi (7,155.58 km) |
| Holbrook to Ceglie Messapico | 4,502.93 mi (7,246.77 km) |
