| Penafiel to Noventa Vicentina | 1,033.43 mi (1,663.14 km) |
| Penafiel to Novi di Modena | 998.97 mi (1,607.69 km) |
| Penafiel to Novi Ligure | 895.13 mi (1,440.58 km) |
| Penafiel to Nuoro | 922.44 mi (1,484.53 km) |
| Penafiel to Occhiobello | 1,032.22 mi (1,661.20 km) |
| Penafiel to Oderzo | 1,084.74 mi (1,745.73 km) |
| Penafiel to Oggiono | 936.36 mi (1,506.93 km) |
| Penafiel to Olbia | 925.09 mi (1,488.79 km) |
| Penafiel to Oleggio | 899.77 mi (1,448.03 km) |
| Penafiel to Olgiate Comasco | 918.42 mi (1,478.05 km) |
| Penafiel to Olgiate Olona | 912.05 mi (1,467.80 km) |
| Penafiel to Omegna | 893.99 mi (1,438.73 km) |
| Penafiel to Opera | 923.99 mi (1,487.02 km) |
| Penafiel to Oppeano | 1,016.80 mi (1,636.39 km) |
| Penafiel to Orbassano | 838.54 mi (1,349.50 km) |
