| Pawtucket to Olympia (Washington) | 2,519.35 mi (4,054.51 km) |
| Pawtucket to Olympia Heights (Florida) | 1,227.12 mi (1,974.86 km) |
| Pawtucket to Omaha (Nebraska) | 1,272.01 mi (2,047.10 km) |
| Pawtucket to On Top of the World Designated Place (Florida) | 1,072.78 mi (1,726.47 km) |
| Pawtucket to Onalaska (Wisconsin) | 1,011.24 mi (1,627.43 km) |
| Pawtucket to Oneida (New York) | 233.74 mi (376.17 km) |
| Pawtucket to Oneonta (New York) | 193.29 mi (311.07 km) |
| Pawtucket to Ontario (California) | 2,544.43 mi (4,094.86 km) |
| Pawtucket to Ontario (Oregon) | 2,281.42 mi (3,671.60 km) |
| Pawtucket to Opa-locka (Florida) | 1,213.91 mi (1,953.60 km) |
| Pawtucket to Opelika (Alabama) | 996.71 mi (1,604.06 km) |
| Pawtucket to Opelousas (Louisiana) | 1,389.74 mi (2,236.58 km) |
| Pawtucket to Orange (California) | 2,562.72 mi (4,124.30 km) |
| Pawtucket to Orange (Texas) | 1,484.60 mi (2,389.24 km) |
| Pawtucket to Orange City (Florida) | 1,052.34 mi (1,693.57 km) |
