| Seymour to Cosham | 3,998.97 mi (6,435.72 km) |
| Seymour to Costessey | 4,036.92 mi (6,496.79 km) |
| Seymour to Cottingham | 3,944.25 mi (6,347.66 km) |
| Seymour to Coulsdon | 4,022.29 mi (6,473.24 km) |
| Seymour to Coventry | 3,938.73 mi (6,338.77 km) |
| Seymour to Cowdenbeath | 3,778.18 mi (6,080.39 km) |
| Seymour to Cowes | 3,991.93 mi (6,424.38 km) |
| Seymour to Cowley | 4,003.00 mi (6,442.20 km) |
| Seymour to Cowley | 3,968.48 mi (6,386.65 km) |
| Seymour to Cramlington | 3,867.24 mi (6,223.72 km) |
| Seymour to Cranleigh | 4,014.08 mi (6,460.04 km) |
| Seymour to Crawley | 4,026.37 mi (6,479.82 km) |
| Seymour to Crayford | 4,031.23 mi (6,487.64 km) |
| Seymour to Crewe | 3,884.73 mi (6,251.87 km) |
| Seymour to Crigglestone | 3,905.89 mi (6,285.92 km) |
