| Castlebar to Osecina | 1,448.50 mi (2,331.14 km) |
| Castlebar to Padinska Skela | 1,457.53 mi (2,345.67 km) |
| Castlebar to Pancevo | 1,468.96 mi (2,364.06 km) |
| Castlebar to Paracin | 1,541.11 mi (2,480.17 km) |
| Castlebar to Pecinci | 1,441.03 mi (2,319.12 km) |
| Castlebar to Petrovac na Mlavi | 1,519.95 mi (2,446.13 km) |
| Castlebar to Petrovaradin | 1,423.00 mi (2,290.09 km) |
| Castlebar to Pirot | 1,617.64 mi (2,603.34 km) |
| Castlebar to Plandiste | 1,473.92 mi (2,372.05 km) |
| Castlebar to Pozarevac | 1,500.95 mi (2,415.55 km) |
| Castlebar to Pozega | 1,487.63 mi (2,394.12 km) |
| Castlebar to Presevo | 1,617.92 mi (2,603.80 km) |
| Castlebar to Priboj | 1,478.92 mi (2,380.08 km) |
| Castlebar to Prijepolje | 1,485.53 mi (2,390.74 km) |
| Castlebar to Prokuplje | 1,574.73 mi (2,534.28 km) |
