| Oklahoma City to Castelfidardo | 5,474.80 mi (8,810.84 km) |
| Oklahoma City to Castelfiorentino | 5,367.89 mi (8,638.78 km) |
| Oklahoma City to Castelfranco di Sopra | 5,390.23 mi (8,674.74 km) |
| Oklahoma City to Castelfranco di Sotto | 5,355.09 mi (8,618.19 km) |
| Oklahoma City to Castelfranco Emilia | 5,329.16 mi (8,576.46 km) |
| Oklahoma City to Castelfranco Veneto | 5,317.76 mi (8,558.11 km) |
| Oklahoma City to Castellabate | 5,671.58 mi (9,127.52 km) |
| Oklahoma City to Castellammare del Golfo | 5,686.82 mi (9,152.06 km) |
| Oklahoma City to Castellammare di Stabia | 5,634.05 mi (9,067.13 km) |
| Oklahoma City to Castellamonte | 5,165.72 mi (8,313.43 km) |
| Oklahoma City to Castellana Grotte | 5,731.55 mi (9,224.05 km) |
| Oklahoma City to Castellaneta | 5,733.93 mi (9,227.88 km) |
| Oklahoma City to Castellanza | 5,202.90 mi (8,373.26 km) |
| Oklahoma City to Castellarano | 5,319.91 mi (8,561.57 km) |
| Oklahoma City to Castelleone | 5,249.64 mi (8,448.47 km) |
