| Owings Mills to Cockermouth | 3,441.37 mi (5,538.35 km) |
| Owings Mills to Colchester | 3,665.10 mi (5,898.40 km) |
| Owings Mills to Coleford | 3,524.45 mi (5,672.05 km) |
| Owings Mills to Colne | 3,501.99 mi (5,635.91 km) |
| Owings Mills to Colwyn Bay | 3,452.05 mi (5,555.54 km) |
| Owings Mills to Congleton | 3,513.50 mi (5,654.44 km) |
| Owings Mills to Conisbrough | 3,546.52 mi (5,707.57 km) |
| Owings Mills to Connahs Quay | 3,479.00 mi (5,598.91 km) |
| Owings Mills to Consett | 3,497.17 mi (5,628.14 km) |
| Owings Mills to Conwy | 3,447.04 mi (5,547.48 km) |
| Owings Mills to Cookstown | 3,309.86 mi (5,326.71 km) |
| Owings Mills to Corby | 3,587.61 mi (5,773.70 km) |
| Owings Mills to Corfe Mullen | 3,570.41 mi (5,746.02 km) |
| Owings Mills to Corsham | 3,549.44 mi (5,712.27 km) |
| Owings Mills to Coseley | 3,530.85 mi (5,682.36 km) |
