| Kirkwall to Busto Arsizio | 1,046.41 mi (1,684.04 km) |
| Kirkwall to Busto Garolfo | 1,051.15 mi (1,691.66 km) |
| Kirkwall to Cabras | 1,409.03 mi (2,267.61 km) |
| Kirkwall to Cadelbosco di Sopra | 1,134.93 mi (1,826.49 km) |
| Kirkwall to Cadoneghe | 1,122.07 mi (1,805.80 km) |
| Kirkwall to Cagli | 1,254.92 mi (2,019.59 km) |
| Kirkwall to Cagliari | 1,464.70 mi (2,357.21 km) |
| Kirkwall to Cairo Montenotte | 1,112.86 mi (1,790.97 km) |
| Kirkwall to Caivano | 1,453.37 mi (2,338.97 km) |
| Kirkwall to Calcinaia | 1,203.36 mi (1,936.62 km) |
| Kirkwall to Calcinato | 1,087.96 mi (1,750.90 km) |
| Kirkwall to Calderara di Reno | 1,161.56 mi (1,869.35 km) |
| Kirkwall to Caldogno | 1,102.93 mi (1,774.99 km) |
| Kirkwall to Calenzano | 1,203.13 mi (1,936.24 km) |
| Kirkwall to Calolziocorte | 1,046.19 mi (1,683.68 km) |
