| North Hykeham to Cortona | 893.82 mi (1,438.46 km) |
| North Hykeham to Cosenza | 1,245.60 mi (2,004.60 km) |
| North Hykeham to Cossato | 656.28 mi (1,056.19 km) |
| North Hykeham to Costa Volpino | 697.12 mi (1,121.91 km) |
| North Hykeham to Creazzo | 756.05 mi (1,216.74 km) |
| North Hykeham to Crema | 709.95 mi (1,142.56 km) |
| North Hykeham to Cremona | 733.07 mi (1,179.76 km) |
| North Hykeham to Crevalcore | 789.13 mi (1,269.99 km) |
| North Hykeham to Crispiano | 1,203.44 mi (1,936.74 km) |
| North Hykeham to Crosia | 1,246.14 mi (2,005.47 km) |
| North Hykeham to Crotone | 1,284.23 mi (2,066.76 km) |
| North Hykeham to Cuneo | 710.97 mi (1,144.20 km) |
| North Hykeham to Cuorgne | 653.13 mi (1,051.11 km) |
| North Hykeham to Cusano Milanino | 685.36 mi (1,102.98 km) |
| North Hykeham to Cutro | 1,282.99 mi (2,064.77 km) |
