| Westbrook to Owosso (Michigan) | 695.39 mi (1,119.12 km) |
| Westbrook to Oxford (Alabama) | 1,086.66 mi (1,748.81 km) |
| Westbrook to Oxford (Mississippi) | 1,210.22 mi (1,947.66 km) |
| Westbrook to Oxford (Ohio) | 796.56 mi (1,281.93 km) |
| Westbrook to Oxnard (California) | 2,664.21 mi (4,287.63 km) |
| Westbrook to Oxon Hill (Maryland) | 482.60 mi (776.66 km) |
| Westbrook to Ozark (Alabama) | 1,186.66 mi (1,909.74 km) |
| Westbrook to Ozark (Missouri) | 1,283.31 mi (2,065.29 km) |
| Westbrook to Pace (Florida) | 1,288.81 mi (2,074.14 km) |
| Westbrook to Pacific Grove (California) | 2,722.16 mi (4,380.90 km) |
| Westbrook to Pacifica (California) | 2,719.02 mi (4,375.84 km) |
| Westbrook to Paducah (Kentucky) | 1,062.79 mi (1,710.39 km) |
| Westbrook to Pahrump (Nevada) | 2,439.85 mi (3,926.55 km) |
| Westbrook to Painesville (Ohio) | 569.42 mi (916.40 km) |
| Westbrook to Palatine (Illinois) | 900.08 mi (1,448.54 km) |
