| Okmulgee to Castelfidardo | 5,408.75 mi (8,704.55 km) |
| Okmulgee to Castelfiorentino | 5,300.85 mi (8,530.89 km) |
| Okmulgee to Castelfranco di Sopra | 5,323.45 mi (8,567.27 km) |
| Okmulgee to Castelfranco di Sotto | 5,288.03 mi (8,510.27 km) |
| Okmulgee to Castelfranco Emilia | 5,262.91 mi (8,469.84 km) |
| Okmulgee to Castelfranco Veneto | 5,252.71 mi (8,453.42 km) |
| Okmulgee to Castellabate | 5,603.86 mi (9,018.53 km) |
| Okmulgee to Castellammare del Golfo | 5,616.66 mi (9,039.14 km) |
| Okmulgee to Castellammare di Stabia | 5,566.41 mi (8,958.27 km) |
| Okmulgee to Castellamonte | 5,098.74 mi (8,205.63 km) |
| Okmulgee to Castellana Grotte | 5,665.28 mi (9,117.39 km) |
| Okmulgee to Castellaneta | 5,667.37 mi (9,120.76 km) |
| Okmulgee to Castellanza | 5,136.57 mi (8,266.51 km) |
| Okmulgee to Castellarano | 5,253.53 mi (8,454.73 km) |
| Okmulgee to Castelleone | 5,183.40 mi (8,341.87 km) |
