| Santarem to Nottingham | 1,013.01 mi (1,630.28 km) |
| Santarem to Nuneaton | 980.44 mi (1,577.87 km) |
| Santarem to Oadby | 991.89 mi (1,596.30 km) |
| Santarem to Oakengates | 976.18 mi (1,571.00 km) |
| Santarem to Oakham | 1,002.44 mi (1,613.28 km) |
| Santarem to Oldbury | 970.45 mi (1,561.78 km) |
| Santarem to Oldham | 1,036.05 mi (1,667.36 km) |
| Santarem to Ollerton | 1,030.79 mi (1,658.89 km) |
| Santarem to Olton | 969.47 mi (1,560.21 km) |
| Santarem to Omagh | 1,062.99 mi (1,710.72 km) |
| Santarem to Ormesby | 1,114.40 mi (1,793.46 km) |
| Santarem to Ormskirk | 1,027.26 mi (1,653.22 km) |
| Santarem to Orpington | 939.62 mi (1,512.17 km) |
| Santarem to Ossett | 1,052.60 mi (1,693.99 km) |
| Santarem to Oswaldtwistle | 1,045.21 mi (1,682.10 km) |
