| Portales to Cosham | 4,910.66 mi (7,902.95 km) |
| Portales to Costessey | 4,927.47 mi (7,929.99 km) |
| Portales to Cottingham | 4,829.45 mi (7,772.24 km) |
| Portales to Coulsdon | 4,927.68 mi (7,930.33 km) |
| Portales to Coventry | 4,838.74 mi (7,787.20 km) |
| Portales to Cowdenbeath | 4,648.98 mi (7,481.82 km) |
| Portales to Cowes | 4,904.89 mi (7,893.65 km) |
| Portales to Cowley | 4,907.62 mi (7,898.06 km) |
| Portales to Cowley | 4,873.36 mi (7,842.91 km) |
| Portales to Cramlington | 4,743.57 mi (7,634.04 km) |
| Portales to Cranleigh | 4,921.87 mi (7,920.99 km) |
| Portales to Crawley | 4,933.60 mi (7,939.87 km) |
| Portales to Crayford | 4,934.72 mi (7,941.67 km) |
| Portales to Crewe | 4,781.18 mi (7,694.56 km) |
| Portales to Crigglestone | 4,795.20 mi (7,717.14 km) |
