| Santiago do Cacem to Noventa Vicentina | 1,154.68 mi (1,858.29 km) |
| Santiago do Cacem to Novi di Modena | 1,116.89 mi (1,797.46 km) |
| Santiago do Cacem to Novi Ligure | 1,016.19 mi (1,635.40 km) |
| Santiago do Cacem to Nuoro | 977.24 mi (1,572.71 km) |
| Santiago do Cacem to Occhiobello | 1,149.17 mi (1,849.41 km) |
| Santiago do Cacem to Oderzo | 1,209.70 mi (1,946.83 km) |
| Santiago do Cacem to Oggiono | 1,068.61 mi (1,719.76 km) |
| Santiago do Cacem to Olbia | 989.31 mi (1,592.14 km) |
| Santiago do Cacem to Oleggio | 1,031.86 mi (1,660.62 km) |
| Santiago do Cacem to Olgiate Comasco | 1,051.74 mi (1,692.62 km) |
| Santiago do Cacem to Olgiate Olona | 1,043.82 mi (1,679.87 km) |
| Santiago do Cacem to Omegna | 1,030.11 mi (1,657.80 km) |
| Santiago do Cacem to Opera | 1,051.80 mi (1,692.71 km) |
| Santiago do Cacem to Oppeano | 1,138.97 mi (1,832.99 km) |
| Santiago do Cacem to Orbassano | 966.43 mi (1,555.32 km) |
