| Haverhill to Octeville | 192.29 mi (309.46 km) |
| Haverhill to Oignies | 156.73 mi (252.23 km) |
| Haverhill to Oissel | 191.32 mi (307.89 km) |
| Haverhill to Olivet | 298.43 mi (480.28 km) |
| Haverhill to Ollioules | 666.64 mi (1,072.86 km) |
| Haverhill to Olonne-sur-Mer | 395.75 mi (636.90 km) |
| Haverhill to Oloron-Sainte-Marie | 615.86 mi (991.13 km) |
| Haverhill to Onet Village | 542.09 mi (872.41 km) |
| Haverhill to Onnaing | 179.80 mi (289.35 km) |
| Haverhill to Orange | 584.31 mi (940.35 km) |
| Haverhill to Orchies | 164.27 mi (264.37 km) |
| Haverhill to Orleans | 295.90 mi (476.21 km) |
| Haverhill to Orly | 245.99 mi (395.89 km) |
| Haverhill to Ormesson-sur-Marne | 245.60 mi (395.26 km) |
| Haverhill to Orsay | 246.00 mi (395.90 km) |
