| Dundalk to Oswaldtwistle | 3,490.43 mi (5,617.30 km) |
| Dundalk to Oswestry | 3,480.33 mi (5,601.06 km) |
| Dundalk to Otley | 3,515.20 mi (5,657.17 km) |
| Dundalk to Ovenden | 3,510.71 mi (5,649.95 km) |
| Dundalk to Oxford | 3,574.87 mi (5,753.19 km) |
| Dundalk to Oxted | 3,636.67 mi (5,852.66 km) |
| Dundalk to Padbury | 3,582.74 mi (5,765.86 km) |
| Dundalk to Padiham | 3,492.68 mi (5,620.92 km) |
| Dundalk to Paignton | 3,506.51 mi (5,643.18 km) |
| Dundalk to Paisley | 3,377.42 mi (5,435.43 km) |
| Dundalk to Palmers Green | 3,624.53 mi (5,833.11 km) |
| Dundalk to Parkstone | 3,568.27 mi (5,742.58 km) |
| Dundalk to Partick | 3,381.29 mi (5,441.66 km) |
| Dundalk to Patcham | 3,639.51 mi (5,857.23 km) |
| Dundalk to Peebles | 3,427.21 mi (5,515.56 km) |
