| Owings Mills to Cosham | 3,608.25 mi (5,806.92 km) |
| Owings Mills to Costessey | 3,660.34 mi (5,890.75 km) |
| Owings Mills to Cottingham | 3,572.39 mi (5,749.21 km) |
| Owings Mills to Coulsdon | 3,635.70 mi (5,851.10 km) |
| Owings Mills to Coventry | 3,556.75 mi (5,724.04 km) |
| Owings Mills to Cowdenbeath | 3,418.27 mi (5,501.17 km) |
| Owings Mills to Cowes | 3,600.39 mi (5,794.27 km) |
| Owings Mills to Cowley | 3,617.14 mi (5,821.22 km) |
| Owings Mills to Cowley | 3,582.81 mi (5,765.97 km) |
| Owings Mills to Cramlington | 3,502.37 mi (5,636.52 km) |
| Owings Mills to Cranleigh | 3,625.92 mi (5,835.35 km) |
| Owings Mills to Crawley | 3,638.47 mi (5,855.55 km) |
| Owings Mills to Crayford | 3,645.87 mi (5,867.46 km) |
| Owings Mills to Crewe | 3,505.83 mi (5,642.09 km) |
| Owings Mills to Crigglestone | 3,531.66 mi (5,683.66 km) |
