| Oklahoma City to Zottegem | 4,806.06 mi (7,734.61 km) |
| Oklahoma City to Zulte | 4,790.62 mi (7,709.76 km) |
| Oklahoma City to Zwevegem | 4,791.08 mi (7,710.49 km) |
| Oklahoma City to Zwijndrecht | 4,813.09 mi (7,745.92 km) |
| Oklahoma City to Asenovgrad | 5,963.53 mi (9,597.38 km) |
| Oklahoma City to Aytos | 6,011.61 mi (9,674.76 km) |
| Oklahoma City to Balchik | 6,004.83 mi (9,663.83 km) |
| Oklahoma City to Bankya | 5,868.02 mi (9,443.67 km) |
| Oklahoma City to Bansko | 5,923.19 mi (9,532.45 km) |
| Oklahoma City to Berkovitsa | 5,841.25 mi (9,400.59 km) |
| Oklahoma City to Blagoevgrad | 5,900.25 mi (9,495.54 km) |
| Oklahoma City to Botevgrad | 5,881.27 mi (9,464.99 km) |
| Oklahoma City to Burgas | 6,029.22 mi (9,703.10 km) |
| Oklahoma City to Byala Slatina | 5,858.51 mi (9,428.35 km) |
| Oklahoma City to Chirpan | 5,970.47 mi (9,608.55 km) |
