| Estremoz to Noventa Vicentina | 1,073.09 mi (1,726.98 km) |
| Estremoz to Novi di Modena | 1,035.57 mi (1,666.59 km) |
| Estremoz to Novi Ligure | 934.42 mi (1,503.81 km) |
| Estremoz to Nuoro | 905.09 mi (1,456.60 km) |
| Estremoz to Occhiobello | 1,067.99 mi (1,718.77 km) |
| Estremoz to Oderzo | 1,127.84 mi (1,815.08 km) |
| Estremoz to Oggiono | 986.03 mi (1,586.86 km) |
| Estremoz to Olbia | 915.40 mi (1,473.20 km) |
| Estremoz to Oleggio | 949.25 mi (1,527.68 km) |
| Estremoz to Olgiate Comasco | 969.08 mi (1,559.58 km) |
| Estremoz to Olgiate Olona | 961.25 mi (1,546.98 km) |
| Estremoz to Omegna | 947.26 mi (1,524.46 km) |
| Estremoz to Opera | 969.52 mi (1,560.30 km) |
| Estremoz to Oppeano | 1,057.27 mi (1,701.52 km) |
| Estremoz to Orbassano | 884.04 mi (1,422.72 km) |
