| Caerphilly to Montana | 1,347.49 mi (2,168.58 km) |
| Caerphilly to Nova Zagora | 1,499.77 mi (2,413.65 km) |
| Caerphilly to Novi Iskar | 1,376.70 mi (2,215.59 km) |
| Caerphilly to Novi Pazar | 1,516.66 mi (2,440.83 km) |
| Caerphilly to Omurtag | 1,493.05 mi (2,402.83 km) |
| Caerphilly to Panagyurishte | 1,423.22 mi (2,290.45 km) |
| Caerphilly to Parvomay | 1,482.21 mi (2,385.39 km) |
| Caerphilly to Pavlikeni | 1,441.57 mi (2,319.98 km) |
| Caerphilly to Pazardzhik | 1,441.58 mi (2,319.99 km) |
| Caerphilly to Pernik | 1,371.69 mi (2,207.52 km) |
| Caerphilly to Peshtera | 1,447.03 mi (2,328.77 km) |
| Caerphilly to Petrich | 1,429.15 mi (2,299.99 km) |
| Caerphilly to Pleven | 1,405.87 mi (2,262.54 km) |
| Caerphilly to Plovdiv | 1,460.84 mi (2,351.00 km) |
| Caerphilly to Pomorie | 1,563.99 mi (2,517.01 km) |
