| Duncan to Oswaldtwistle | 4,544.81 mi (7,314.17 km) |
| Duncan to Oswestry | 4,546.95 mi (7,317.61 km) |
| Duncan to Otley | 4,565.72 mi (7,347.81 km) |
| Duncan to Ovenden | 4,563.70 mi (7,344.57 km) |
| Duncan to Oxford | 4,649.12 mi (7,482.03 km) |
| Duncan to Oxted | 4,712.71 mi (7,584.37 km) |
| Duncan to Padbury | 4,653.68 mi (7,489.37 km) |
| Duncan to Padiham | 4,546.19 mi (7,316.39 km) |
| Duncan to Paignton | 4,601.30 mi (7,405.08 km) |
| Duncan to Paisley | 4,410.43 mi (7,097.90 km) |
| Duncan to Palmers Green | 4,696.93 mi (7,558.98 km) |
| Duncan to Parkstone | 4,655.76 mi (7,492.72 km) |
| Duncan to Partick | 4,413.71 mi (7,103.19 km) |
| Duncan to Patcham | 4,720.19 mi (7,596.41 km) |
| Duncan to Peebles | 4,459.73 mi (7,177.24 km) |
