| Chelmsford to Oxford (Alabama) | 4,293.58 mi (6,909.85 km) |
| Chelmsford to Oxford (Mississippi) | 4,401.50 mi (7,083.53 km) |
| Chelmsford to Oxford (Ohio) | 3,963.78 mi (6,379.09 km) |
| Chelmsford to Oxnard (California) | 5,470.78 mi (8,804.36 km) |
| Chelmsford to Oxon Hill (Maryland) | 3,687.22 mi (5,934.01 km) |
| Chelmsford to Ozark (Alabama) | 4,391.28 mi (7,067.09 km) |
| Chelmsford to Ozark (Missouri) | 4,410.32 mi (7,097.72 km) |
| Chelmsford to Pace (Florida) | 4,494.83 mi (7,233.73 km) |
| Chelmsford to Pacific Grove (California) | 5,413.63 mi (8,712.39 km) |
| Chelmsford to Pacifica (California) | 5,371.82 mi (8,645.10 km) |
| Chelmsford to Paducah (Kentucky) | 4,232.73 mi (6,811.93 km) |
| Chelmsford to Pahrump (Nevada) | 5,254.13 mi (8,455.71 km) |
| Chelmsford to Painesville (Ohio) | 3,725.18 mi (5,995.10 km) |
| Chelmsford to Palatine (Illinois) | 3,967.80 mi (6,385.56 km) |
| Chelmsford to Palatka (Florida) | 4,317.68 mi (6,948.64 km) |
