| Tomar to Nottingham | 984.50 mi (1,584.40 km) |
| Tomar to Nuneaton | 951.93 mi (1,531.98 km) |
| Tomar to Oadby | 963.31 mi (1,550.29 km) |
| Tomar to Oakengates | 947.95 mi (1,525.58 km) |
| Tomar to Oakham | 973.80 mi (1,567.18 km) |
| Tomar to Oldbury | 942.07 mi (1,516.12 km) |
| Tomar to Oldham | 1,007.88 mi (1,622.03 km) |
| Tomar to Ollerton | 1,002.29 mi (1,613.02 km) |
| Tomar to Olton | 941.03 mi (1,514.44 km) |
| Tomar to Omagh | 1,037.03 mi (1,668.94 km) |
| Tomar to Ormesby | 1,086.15 mi (1,748.00 km) |
| Tomar to Ormskirk | 999.32 mi (1,608.26 km) |
| Tomar to Orpington | 910.67 mi (1,465.58 km) |
| Tomar to Ossett | 1,024.31 mi (1,648.46 km) |
| Tomar to Oswaldtwistle | 1,017.15 mi (1,636.95 km) |
