| Las Palmas to Orbetello | 1,786.85 mi (2,875.66 km) |
| Las Palmas to Oria | 2,055.73 mi (3,308.38 km) |
| Las Palmas to Oristano | 1,590.75 mi (2,560.07 km) |
| Las Palmas to Orta Nova | 1,974.90 mi (3,178.29 km) |
| Las Palmas to Orte | 1,842.02 mi (2,964.44 km) |
| Las Palmas to Ortona | 1,934.30 mi (3,112.96 km) |
| Las Palmas to Orvieto | 1,836.41 mi (2,955.41 km) |
| Las Palmas to Orzinuovi | 1,828.55 mi (2,942.76 km) |
| Las Palmas to Osimo | 1,921.22 mi (3,091.91 km) |
| Las Palmas to Ospitaletto | 1,839.99 mi (2,961.18 km) |
| Las Palmas to Ostuni | 2,057.20 mi (3,310.74 km) |
| Las Palmas to Ottaviano | 1,903.56 mi (3,063.48 km) |
| Las Palmas to Ovada | 1,747.33 mi (2,812.05 km) |
| Las Palmas to Ozieri | 1,629.56 mi (2,622.53 km) |
| Las Palmas to Paceco | 1,748.99 mi (2,814.72 km) |
