| West Chicago to Norwich | 3,986.01 mi (6,414.86 km) |
| West Chicago to Nottingham | 3,885.08 mi (6,252.44 km) |
| West Chicago to Nuneaton | 3,886.51 mi (6,254.73 km) |
| West Chicago to Oadby | 3,898.85 mi (6,274.59 km) |
| West Chicago to Oakengates | 3,844.27 mi (6,186.76 km) |
| West Chicago to Oakham | 3,909.43 mi (6,291.62 km) |
| West Chicago to Oldbury | 3,866.44 mi (6,222.44 km) |
| West Chicago to Oldham | 3,831.22 mi (6,165.75 km) |
| West Chicago to Ollerton | 3,882.29 mi (6,247.95 km) |
| West Chicago to Olton | 3,876.43 mi (6,238.52 km) |
| West Chicago to Omagh | 3,610.16 mi (5,809.99 km) |
| West Chicago to Ormesby | 3,835.43 mi (6,172.52 km) |
| West Chicago to Ormskirk | 3,802.01 mi (6,118.74 km) |
| West Chicago to Orpington | 3,982.31 mi (6,408.90 km) |
| West Chicago to Ossett | 3,846.97 mi (6,191.10 km) |
