| Preakness to Norwich | 3,492.65 mi (5,620.88 km) |
| Preakness to Nottingham | 3,388.62 mi (5,453.45 km) |
| Preakness to Nuneaton | 3,384.56 mi (5,446.92 km) |
| Preakness to Oadby | 3,398.74 mi (5,469.75 km) |
| Preakness to Oakengates | 3,341.64 mi (5,377.85 km) |
| Preakness to Oakham | 3,411.00 mi (5,489.48 km) |
| Preakness to Oldbury | 3,362.87 mi (5,412.02 km) |
| Preakness to Oldham | 3,338.78 mi (5,373.25 km) |
| Preakness to Ollerton | 3,388.85 mi (5,453.83 km) |
| Preakness to Olton | 3,372.68 mi (5,427.81 km) |
| Preakness to Omagh | 3,118.02 mi (5,017.96 km) |
| Preakness to Ormesby | 3,356.62 mi (5,401.95 km) |
| Preakness to Ormskirk | 3,307.92 mi (5,323.58 km) |
| Preakness to Orpington | 3,472.53 mi (5,588.49 km) |
| Preakness to Ossett | 3,357.39 mi (5,403.20 km) |
