| McHenry to Norwich | 3,967.26 mi (6,384.68 km) |
| McHenry to Nottingham | 3,866.54 mi (6,222.59 km) |
| McHenry to Nuneaton | 3,868.21 mi (6,225.28 km) |
| McHenry to Oadby | 3,880.46 mi (6,244.99 km) |
| McHenry to Oakengates | 3,826.03 mi (6,157.40 km) |
| McHenry to Oakham | 3,890.95 mi (6,261.88 km) |
| McHenry to Oldbury | 3,848.23 mi (6,193.13 km) |
| McHenry to Oldham | 3,812.53 mi (6,135.68 km) |
| McHenry to Ollerton | 3,863.62 mi (6,217.89 km) |
| McHenry to Olton | 3,858.22 mi (6,209.21 km) |
| McHenry to Omagh | 3,591.62 mi (5,780.15 km) |
| McHenry to Ormesby | 3,816.15 mi (6,141.50 km) |
| McHenry to Ormskirk | 3,783.42 mi (6,088.82 km) |
| McHenry to Orpington | 3,964.30 mi (6,379.93 km) |
| McHenry to Ossett | 3,828.15 mi (6,160.81 km) |
