| Harderwijk to Castrovillari | 1,001.20 mi (1,611.28 km) |
| Harderwijk to Catania | 1,123.60 mi (1,808.26 km) |
| Harderwijk to Catanzaro | 1,067.46 mi (1,717.91 km) |
| Harderwijk to Cattolica | 664.91 mi (1,070.07 km) |
| Harderwijk to Cava de' Tirreni | 911.80 mi (1,467.40 km) |
| Harderwijk to Cavallino | 1,022.33 mi (1,645.29 km) |
| Harderwijk to Cavarzere | 578.38 mi (930.81 km) |
| Harderwijk to Cave | 804.10 mi (1,294.08 km) |
| Harderwijk to Cavriago | 574.12 mi (923.96 km) |
| Harderwijk to Cavriglia | 667.48 mi (1,074.20 km) |
| Harderwijk to Cazzago San Martino | 508.38 mi (818.16 km) |
| Harderwijk to Ceccano | 828.06 mi (1,332.63 km) |
| Harderwijk to Cecina | 663.84 mi (1,068.35 km) |
| Harderwijk to Cefalu | 1,068.69 mi (1,719.90 km) |
| Harderwijk to Ceglie Messapico | 983.62 mi (1,582.98 km) |
