| South Houston to Oswaldtwistle | 4,702.53 mi (7,567.99 km) |
| South Houston to Oswestry | 4,698.45 mi (7,561.43 km) |
| South Houston to Otley | 4,725.44 mi (7,604.86 km) |
| South Houston to Ovenden | 4,722.20 mi (7,599.64 km) |
| South Houston to Oxford | 4,796.99 mi (7,720.02 km) |
| South Houston to Oxted | 4,859.86 mi (7,821.18 km) |
| South Houston to Padbury | 4,803.34 mi (7,730.22 km) |
| South Houston to Padiham | 4,704.35 mi (7,570.91 km) |
| South Houston to Paignton | 4,737.55 mi (7,624.35 km) |
| South Houston to Paisley | 4,577.78 mi (7,367.22 km) |
| South Houston to Palmers Green | 4,845.98 mi (7,798.84 km) |
| South Houston to Parkstone | 4,796.37 mi (7,719.02 km) |
| South Houston to Partick | 4,581.35 mi (7,372.97 km) |
| South Houston to Patcham | 4,864.83 mi (7,829.18 km) |
| South Houston to Peebles | 4,627.55 mi (7,447.32 km) |
