| Trollhattan to Orbetello | 1,095.67 mi (1,763.30 km) |
| Trollhattan to Oria | 1,251.00 mi (2,013.29 km) |
| Trollhattan to Oristano | 1,280.23 mi (2,060.33 km) |
| Trollhattan to Orta Nova | 1,180.79 mi (1,900.30 km) |
| Trollhattan to Orte | 1,093.24 mi (1,759.39 km) |
| Trollhattan to Ortona | 1,104.65 mi (1,777.75 km) |
| Trollhattan to Orvieto | 1,075.43 mi (1,730.74 km) |
| Trollhattan to Orzinuovi | 895.64 mi (1,441.39 km) |
| Trollhattan to Osimo | 1,023.83 mi (1,647.69 km) |
| Trollhattan to Ospitaletto | 884.32 mi (1,423.17 km) |
| Trollhattan to Ostuni | 1,234.67 mi (1,987.01 km) |
| Trollhattan to Ottaviano | 1,208.32 mi (1,944.60 km) |
| Trollhattan to Ovada | 955.28 mi (1,537.38 km) |
| Trollhattan to Ozieri | 1,231.33 mi (1,981.63 km) |
| Trollhattan to Paceco | 1,402.61 mi (2,257.28 km) |
