| Ponca City to Cockermouth | 4,335.87 mi (6,977.90 km) |
| Ponca City to Colchester | 4,581.08 mi (7,372.53 km) |
| Ponca City to Coleford | 4,452.76 mi (7,166.02 km) |
| Ponca City to Colne | 4,403.55 mi (7,086.82 km) |
| Ponca City to Colwyn Bay | 4,365.19 mi (7,025.10 km) |
| Ponca City to Congleton | 4,423.93 mi (7,119.62 km) |
| Ponca City to Conisbrough | 4,450.00 mi (7,161.58 km) |
| Ponca City to Connahs Quay | 4,391.20 mi (7,066.95 km) |
| Ponca City to Consett | 4,384.80 mi (7,056.66 km) |
| Ponca City to Conwy | 4,360.68 mi (7,017.84 km) |
| Ponca City to Cookstown | 4,213.46 mi (6,780.91 km) |
| Ponca City to Corby | 4,501.67 mi (7,244.73 km) |
| Ponca City to Corfe Mullen | 4,508.77 mi (7,256.16 km) |
| Ponca City to Corsham | 4,480.64 mi (7,210.89 km) |
| Ponca City to Coseley | 4,448.42 mi (7,159.03 km) |
