| Severn to Norwich | 3,673.06 mi (5,911.22 km) |
| Severn to Nottingham | 3,569.00 mi (5,743.75 km) |
| Severn to Nuneaton | 3,564.85 mi (5,737.07 km) |
| Severn to Oadby | 3,579.06 mi (5,759.95 km) |
| Severn to Oakengates | 3,521.93 mi (5,668.00 km) |
| Severn to Oakham | 3,591.35 mi (5,779.71 km) |
| Severn to Oldbury | 3,543.14 mi (5,702.13 km) |
| Severn to Oldham | 3,519.23 mi (5,663.66 km) |
| Severn to Ollerton | 3,569.28 mi (5,744.20 km) |
| Severn to Olton | 3,552.94 mi (5,717.90 km) |
| Severn to Omagh | 3,298.51 mi (5,308.43 km) |
| Severn to Ormesby | 3,537.17 mi (5,692.52 km) |
| Severn to Ormskirk | 3,488.35 mi (5,613.96 km) |
| Severn to Orpington | 3,652.61 mi (5,878.31 km) |
| Severn to Ossett | 3,537.87 mi (5,693.65 km) |
