| San Marcos to Norwich | 5,453.03 mi (8,775.81 km) |
| San Marcos to Nottingham | 5,360.86 mi (8,627.47 km) |
| San Marcos to Nuneaton | 5,369.52 mi (8,641.41 km) |
| San Marcos to Oadby | 5,378.87 mi (8,656.45 km) |
| San Marcos to Oakengates | 5,330.01 mi (8,577.83 km) |
| San Marcos to Oakham | 5,386.73 mi (8,669.11 km) |
| San Marcos to Oldbury | 5,352.47 mi (8,613.96 km) |
| San Marcos to Oldham | 5,304.07 mi (8,536.08 km) |
| San Marcos to Ollerton | 5,354.14 mi (8,616.66 km) |
| San Marcos to Olton | 5,362.26 mi (8,629.73 km) |
| San Marcos to Omagh | 5,092.96 mi (8,196.32 km) |
| San Marcos to Ormesby | 5,289.79 mi (8,513.10 km) |
| San Marcos to Ormskirk | 5,278.39 mi (8,494.76 km) |
| San Marcos to Orpington | 5,471.68 mi (8,805.81 km) |
| San Marcos to Ossett | 5,315.28 mi (8,554.12 km) |
