| Castelo Branco to Oswestry | 925.35 mi (1,489.21 km) |
| Castelo Branco to Otley | 1,010.56 mi (1,626.33 km) |
| Castelo Branco to Ovenden | 997.54 mi (1,605.38 km) |
| Castelo Branco to Oxford | 876.97 mi (1,411.35 km) |
| Castelo Branco to Oxted | 868.59 mi (1,397.86 km) |
| Castelo Branco to Padbury | 895.97 mi (1,441.92 km) |
| Castelo Branco to Padiham | 995.96 mi (1,602.83 km) |
| Castelo Branco to Paignton | 758.08 mi (1,220.02 km) |
| Castelo Branco to Paisley | 1,116.36 mi (1,796.61 km) |
| Castelo Branco to Palmers Green | 888.82 mi (1,430.41 km) |
| Castelo Branco to Parkstone | 799.01 mi (1,285.88 km) |
| Castelo Branco to Partick | 1,118.67 mi (1,800.33 km) |
| Castelo Branco to Patcham | 841.63 mi (1,354.47 km) |
| Castelo Branco to Peebles | 1,111.76 mi (1,789.20 km) |
| Castelo Branco to Pelsall | 923.28 mi (1,485.88 km) |
