| Gahanna to Cockermouth | 3,644.50 mi (5,865.25 km) |
| Gahanna to Colchester | 3,878.01 mi (6,241.06 km) |
| Gahanna to Coleford | 3,741.85 mi (6,021.93 km) |
| Gahanna to Colne | 3,708.29 mi (5,967.91 km) |
| Gahanna to Colwyn Bay | 3,662.86 mi (5,894.80 km) |
| Gahanna to Congleton | 3,723.48 mi (5,992.36 km) |
| Gahanna to Conisbrough | 3,753.81 mi (6,041.17 km) |
| Gahanna to Connahs Quay | 3,689.54 mi (5,937.74 km) |
| Gahanna to Consett | 3,697.79 mi (5,951.02 km) |
| Gahanna to Conwy | 3,658.03 mi (5,887.03 km) |
| Gahanna to Cookstown | 3,516.05 mi (5,658.53 km) |
| Gahanna to Corby | 3,799.41 mi (6,114.55 km) |
| Gahanna to Corfe Mullen | 3,792.20 mi (6,102.96 km) |
| Gahanna to Corsham | 3,768.15 mi (6,064.26 km) |
| Gahanna to Coseley | 3,743.84 mi (6,025.12 km) |
