| Harstad to Cabestany | 1,870.67 mi (3,010.55 km) |
| Harstad to Cabries | 1,797.58 mi (2,892.93 km) |
| Harstad to Cachan | 1,464.53 mi (2,356.93 km) |
| Harstad to Caen | 1,471.50 mi (2,368.15 km) |
| Harstad to Cagnes-sur-Mer | 1,769.20 mi (2,847.25 km) |
| Harstad to Cahors | 1,766.33 mi (2,842.63 km) |
| Harstad to Calais | 1,326.29 mi (2,134.46 km) |
| Harstad to Caluire-et-Cuire | 1,641.77 mi (2,642.17 km) |
| Harstad to Cambrai | 1,361.81 mi (2,191.62 km) |
| Harstad to Canet-en-Roussillon | 1,868.36 mi (3,006.84 km) |
| Harstad to Cannes | 1,777.87 mi (2,861.21 km) |
| Harstad to Canteleu | 1,435.71 mi (2,310.56 km) |
| Harstad to Capbreton | 1,853.72 mi (2,983.27 km) |
| Harstad to Carcassonne | 1,840.54 mi (2,962.06 km) |
| Harstad to Carmaux | 1,785.69 mi (2,873.79 km) |
