| Pontypridd to Noventa Vicentina | 807.29 mi (1,299.21 km) |
| Pontypridd to Novi di Modena | 800.45 mi (1,288.20 km) |
| Pontypridd to Novi Ligure | 730.27 mi (1,175.25 km) |
| Pontypridd to Nuoro | 986.31 mi (1,587.32 km) |
| Pontypridd to Occhiobello | 824.74 mi (1,327.29 km) |
| Pontypridd to Oderzo | 824.20 mi (1,326.42 km) |
| Pontypridd to Oggiono | 703.23 mi (1,131.74 km) |
| Pontypridd to Olbia | 957.03 mi (1,540.20 km) |
| Pontypridd to Oleggio | 685.14 mi (1,102.63 km) |
| Pontypridd to Olgiate Comasco | 689.04 mi (1,108.90 km) |
| Pontypridd to Olgiate Olona | 692.71 mi (1,114.81 km) |
| Pontypridd to Omegna | 664.28 mi (1,069.05 km) |
| Pontypridd to Opera | 716.23 mi (1,152.67 km) |
| Pontypridd to Oppeano | 793.22 mi (1,276.57 km) |
| Pontypridd to Orbassano | 675.17 mi (1,086.59 km) |
