| Market Harborough to Nottingham | 34.25 mi (55.12 km) |
| Market Harborough to Nuneaton | 23.24 mi (37.40 km) |
| Market Harborough to Oadby | 10.63 mi (17.10 km) |
| Market Harborough to Oakengates | 65.98 mi (106.18 km) |
| Market Harborough to Oakham | 15.48 mi (24.92 km) |
| Market Harborough to Oldbury | 46.12 mi (74.22 km) |
| Market Harborough to Oldham | 88.92 mi (143.10 km) |
| Market Harborough to Ollerton | 50.09 mi (80.62 km) |
| Market Harborough to Olton | 37.37 mi (60.14 km) |
| Market Harborough to Omagh | 299.37 mi (481.79 km) |
| Market Harborough to Ormesby | 143.54 mi (231.01 km) |
| Market Harborough to Ormskirk | 111.08 mi (178.76 km) |
| Market Harborough to Orpington | 87.74 mi (141.20 km) |
| Market Harborough to Ossett | 87.48 mi (140.78 km) |
| Market Harborough to Oswaldtwistle | 106.65 mi (171.63 km) |
