| Fort Oglethorpe to Cockermouth | 3,988.13 mi (6,418.27 km) |
| Fort Oglethorpe to Colchester | 4,215.96 mi (6,784.93 km) |
| Fort Oglethorpe to Coleford | 4,076.79 mi (6,560.96 km) |
| Fort Oglethorpe to Colne | 4,050.14 mi (6,518.08 km) |
| Fort Oglethorpe to Colwyn Bay | 4,001.97 mi (6,440.54 km) |
| Fort Oglethorpe to Congleton | 4,063.14 mi (6,539.00 km) |
| Fort Oglethorpe to Conisbrough | 4,095.12 mi (6,590.45 km) |
| Fort Oglethorpe to Connahs Quay | 4,028.83 mi (6,483.78 km) |
| Fort Oglethorpe to Consett | 4,042.86 mi (6,506.35 km) |
| Fort Oglethorpe to Conwy | 3,997.03 mi (6,432.59 km) |
| Fort Oglethorpe to Cookstown | 3,857.81 mi (6,208.55 km) |
| Fort Oglethorpe to Corby | 4,138.00 mi (6,659.47 km) |
| Fort Oglethorpe to Corfe Mullen | 4,124.17 mi (6,637.21 km) |
| Fort Oglethorpe to Corsham | 4,102.22 mi (6,601.89 km) |
| Fort Oglethorpe to Coseley | 4,081.64 mi (6,568.77 km) |
