| Allouez to Cosham | 3,831.24 mi (6,165.79 km) |
| Allouez to Costessey | 3,852.41 mi (6,199.85 km) |
| Allouez to Cottingham | 3,755.56 mi (6,043.99 km) |
| Allouez to Coulsdon | 3,849.38 mi (6,194.98 km) |
| Allouez to Coventry | 3,761.38 mi (6,053.35 km) |
| Allouez to Cowdenbeath | 3,578.75 mi (5,759.45 km) |
| Allouez to Cowes | 3,825.26 mi (6,156.16 km) |
| Allouez to Cowley | 3,829.44 mi (6,162.89 km) |
| Allouez to Cowley | 3,795.08 mi (6,107.60 km) |
| Allouez to Cramlington | 3,671.94 mi (5,909.41 km) |
| Allouez to Cranleigh | 3,843.13 mi (6,184.92 km) |
| Allouez to Crawley | 3,854.97 mi (6,203.98 km) |
| Allouez to Crayford | 3,856.80 mi (6,206.92 km) |
| Allouez to Crewe | 3,704.49 mi (5,961.80 km) |
| Allouez to Crigglestone | 3,720.20 mi (5,987.09 km) |
