| Glenpool to Olympia Heights (Florida) | 1,164.79 mi (1,874.55 km) |
| Glenpool to Omaha (Nebraska) | 367.16 mi (590.89 km) |
| Glenpool to On Top of the World Designated Place (Florida) | 927.18 mi (1,492.15 km) |
| Glenpool to Onalaska (Wisconsin) | 604.34 mi (972.59 km) |
| Glenpool to Oneida (New York) | 1,186.92 mi (1,910.16 km) |
| Glenpool to Oneonta (New York) | 1,203.85 mi (1,937.42 km) |
| Glenpool to Ontario (California) | 1,227.24 mi (1,975.05 km) |
| Glenpool to Ontario (Oregon) | 1,237.67 mi (1,991.84 km) |
| Glenpool to Opa-locka (Florida) | 1,160.80 mi (1,868.13 km) |
| Glenpool to Opelika (Alabama) | 647.29 mi (1,041.72 km) |
| Glenpool to Opelousas (Louisiana) | 437.89 mi (704.71 km) |
| Glenpool to Orange (California) | 1,242.86 mi (2,000.19 km) |
| Glenpool to Orange (Texas) | 422.98 mi (680.73 km) |
| Glenpool to Orange City (Florida) | 983.91 mi (1,583.46 km) |
| Glenpool to Orangeburg (South Carolina) | 875.33 mi (1,408.71 km) |
