| Cahokia to Oxford (Alabama) | 419.13 mi (674.53 km) |
| Cahokia to Oxford (Mississippi) | 292.56 mi (470.82 km) |
| Cahokia to Oxford (Ohio) | 298.78 mi (480.84 km) |
| Cahokia to Oxnard (California) | 1,634.22 mi (2,630.03 km) |
| Cahokia to Oxon Hill (Maryland) | 711.91 mi (1,145.71 km) |
| Cahokia to Ozark (Alabama) | 554.23 mi (891.95 km) |
| Cahokia to Ozark (Missouri) | 196.54 mi (316.30 km) |
| Cahokia to Pace (Florida) | 575.05 mi (925.45 km) |
| Cahokia to Pacific Grove (California) | 1,734.62 mi (2,791.60 km) |
| Cahokia to Pacifica (California) | 1,748.61 mi (2,814.12 km) |
| Cahokia to Paducah (Kentucky) | 132.95 mi (213.96 km) |
| Cahokia to Pahrump (Nevada) | 1,421.72 mi (2,288.03 km) |
| Cahokia to Painesville (Ohio) | 519.15 mi (835.49 km) |
| Cahokia to Palatine (Illinois) | 270.02 mi (434.55 km) |
| Cahokia to Palatka (Florida) | 784.32 mi (1,262.23 km) |
