| Pembroke Dock to Norwich | 272.11 mi (437.92 km) |
| Pembroke Dock to Nottingham | 182.38 mi (293.51 km) |
| Pembroke Dock to Nuneaton | 158.30 mi (254.77 km) |
| Pembroke Dock to Oadby | 175.56 mi (282.53 km) |
| Pembroke Dock to Oakengates | 126.30 mi (203.26 km) |
| Pembroke Dock to Oakham | 190.77 mi (307.02 km) |
| Pembroke Dock to Oldbury | 136.40 mi (219.52 km) |
| Pembroke Dock to Oldham | 174.44 mi (280.74 km) |
| Pembroke Dock to Ollerton | 195.33 mi (314.35 km) |
| Pembroke Dock to Olton | 142.93 mi (230.03 km) |
| Pembroke Dock to Omagh | 222.45 mi (357.99 km) |
| Pembroke Dock to Ormesby | 251.51 mi (404.77 km) |
| Pembroke Dock to Ormskirk | 155.57 mi (250.36 km) |
| Pembroke Dock to Orpington | 217.88 mi (350.65 km) |
| Pembroke Dock to Ossett | 196.72 mi (316.59 km) |
