| Johnston to Norwich | 4,195.95 mi (6,752.72 km) |
| Johnston to Nottingham | 4,096.71 mi (6,593.01 km) |
| Johnston to Nuneaton | 4,099.95 mi (6,598.24 km) |
| Johnston to Oadby | 4,111.60 mi (6,616.98 km) |
| Johnston to Oakengates | 4,058.20 mi (6,531.05 km) |
| Johnston to Oakham | 4,121.55 mi (6,632.99 km) |
| Johnston to Oldbury | 4,080.55 mi (6,567.02 km) |
| Johnston to Oldham | 4,041.85 mi (6,504.72 km) |
| Johnston to Ollerton | 4,092.92 mi (6,586.92 km) |
| Johnston to Olton | 4,090.54 mi (6,583.09 km) |
| Johnston to Omagh | 3,822.20 mi (6,151.23 km) |
| Johnston to Ormesby | 4,041.47 mi (6,504.12 km) |
| Johnston to Ormskirk | 4,013.38 mi (6,458.91 km) |
| Johnston to Orpington | 4,197.79 mi (6,755.68 km) |
| Johnston to Ossett | 4,056.54 mi (6,528.37 km) |
