| Trujillo Alto to Orbetello | 4,728.77 mi (7,610.22 km) |
| Trujillo Alto to Oria | 5,076.45 mi (8,169.76 km) |
| Trujillo Alto to Oristano | 4,609.17 mi (7,417.74 km) |
| Trujillo Alto to Orta Nova | 4,967.96 mi (7,995.16 km) |
| Trujillo Alto to Orte | 4,788.13 mi (7,705.74 km) |
| Trujillo Alto to Ortona | 4,891.03 mi (7,871.35 km) |
| Trujillo Alto to Orvieto | 4,772.25 mi (7,680.19 km) |
| Trujillo Alto to Orzinuovi | 4,648.97 mi (7,481.79 km) |
| Trujillo Alto to Osimo | 4,835.21 mi (7,781.52 km) |
| Trujillo Alto to Ospitaletto | 4,655.07 mi (7,491.62 km) |
| Trujillo Alto to Ostuni | 5,071.01 mi (8,161.00 km) |
| Trujillo Alto to Ottaviano | 4,909.36 mi (7,900.85 km) |
| Trujillo Alto to Ovada | 4,589.21 mi (7,385.62 km) |
| Trujillo Alto to Ozieri | 4,626.73 mi (7,446.00 km) |
| Trujillo Alto to Paceco | 4,835.65 mi (7,782.22 km) |
