| Okmulgee to Casamassima | 5,652.40 mi (9,096.66 km) |
| Okmulgee to Casandrino | 5,546.64 mi (8,926.45 km) |
| Okmulgee to Casapulla | 5,542.15 mi (8,919.22 km) |
| Okmulgee to Casarano | 5,744.30 mi (9,244.56 km) |
| Okmulgee to Casatenovo | 5,149.50 mi (8,287.32 km) |
| Okmulgee to Casciana Terme | 5,289.91 mi (8,513.29 km) |
| Okmulgee to Cascina | 5,280.72 mi (8,498.50 km) |
| Okmulgee to Caselle Torinese | 5,104.15 mi (8,214.34 km) |
| Okmulgee to Caserta | 5,544.16 mi (8,922.46 km) |
| Okmulgee to Casier | 5,267.50 mi (8,477.22 km) |
| Okmulgee to Casorate Primo | 5,153.18 mi (8,293.25 km) |
| Okmulgee to Casoria | 5,550.12 mi (8,932.05 km) |
| Okmulgee to Cassano al Ionio | 5,681.07 mi (9,142.79 km) |
| Okmulgee to Cassano d'Adda | 5,164.19 mi (8,310.96 km) |
| Okmulgee to Cassano delle Murge | 5,649.48 mi (9,091.96 km) |
