| San Marcos to Oswaldtwistle | 5,286.67 mi (8,508.07 km) |
| San Marcos to Oswestry | 5,303.21 mi (8,534.69 km) |
| San Marcos to Otley | 5,302.09 mi (8,532.88 km) |
| San Marcos to Ovenden | 5,303.07 mi (8,534.47 km) |
| San Marcos to Oxford | 5,410.34 mi (8,707.10 km) |
| San Marcos to Oxted | 5,473.53 mi (8,808.79 km) |
| San Marcos to Padbury | 5,410.67 mi (8,707.63 km) |
| San Marcos to Padiham | 5,286.95 mi (8,508.53 km) |
| San Marcos to Paignton | 5,389.92 mi (8,674.24 km) |
| San Marcos to Paisley | 5,133.92 mi (8,262.24 km) |
| San Marcos to Palmers Green | 5,453.93 mi (8,777.25 km) |
| San Marcos to Parkstone | 5,433.10 mi (8,743.74 km) |
| San Marcos to Partick | 5,136.38 mi (8,266.20 km) |
| San Marcos to Patcham | 5,486.48 mi (8,829.63 km) |
| San Marcos to Peebles | 5,180.28 mi (8,336.86 km) |
