| Manassas to Norwich | 3,722.41 mi (5,990.64 km) |
| Manassas to Nottingham | 3,618.38 mi (5,823.21 km) |
| Manassas to Nuneaton | 3,614.31 mi (5,816.67 km) |
| Manassas to Oadby | 3,628.50 mi (5,839.51 km) |
| Manassas to Oakengates | 3,571.39 mi (5,747.60 km) |
| Manassas to Oakham | 3,640.76 mi (5,859.24 km) |
| Manassas to Oldbury | 3,592.62 mi (5,781.76 km) |
| Manassas to Oldham | 3,568.53 mi (5,742.99 km) |
| Manassas to Ollerton | 3,618.60 mi (5,823.58 km) |
| Manassas to Olton | 3,602.43 mi (5,797.55 km) |
| Manassas to Omagh | 3,347.74 mi (5,387.67 km) |
| Manassas to Ormesby | 3,586.22 mi (5,771.47 km) |
| Manassas to Ormskirk | 3,537.67 mi (5,693.33 km) |
| Manassas to Orpington | 3,702.21 mi (5,958.13 km) |
| Manassas to Ossett | 3,587.12 mi (5,772.91 km) |
