| Olivenza to Oswestry | 998.15 mi (1,606.37 km) |
| Olivenza to Otley | 1,082.05 mi (1,741.39 km) |
| Olivenza to Ovenden | 1,069.18 mi (1,720.68 km) |
| Olivenza to Oxford | 945.74 mi (1,522.02 km) |
| Olivenza to Oxted | 934.18 mi (1,503.42 km) |
| Olivenza to Padbury | 964.42 mi (1,552.09 km) |
| Olivenza to Padiham | 1,068.26 mi (1,719.20 km) |
| Olivenza to Paignton | 830.04 mi (1,335.81 km) |
| Olivenza to Paisley | 1,192.03 mi (1,918.38 km) |
| Olivenza to Palmers Green | 955.18 mi (1,537.21 km) |
| Olivenza to Parkstone | 867.91 mi (1,396.76 km) |
| Olivenza to Partick | 1,194.23 mi (1,921.93 km) |
| Olivenza to Patcham | 906.88 mi (1,459.48 km) |
| Olivenza to Peebles | 1,186.09 mi (1,908.82 km) |
| Olivenza to Pelsall | 994.20 mi (1,600.01 km) |
