| Bishopbriggs to Orbetello | 1,157.11 mi (1,862.19 km) |
| Bishopbriggs to Oria | 1,452.63 mi (2,337.78 km) |
| Bishopbriggs to Oristano | 1,250.10 mi (2,011.85 km) |
| Bishopbriggs to Orta Nova | 1,347.83 mi (2,169.13 km) |
| Bishopbriggs to Orte | 1,187.61 mi (1,911.28 km) |
| Bishopbriggs to Ortona | 1,251.42 mi (2,013.97 km) |
| Bishopbriggs to Orvieto | 1,165.03 mi (1,874.93 km) |
| Bishopbriggs to Orzinuovi | 951.00 mi (1,530.49 km) |
| Bishopbriggs to Osimo | 1,160.76 mi (1,868.06 km) |
| Bishopbriggs to Ospitaletto | 946.20 mi (1,522.77 km) |
| Bishopbriggs to Ostuni | 1,438.01 mi (2,314.26 km) |
| Bishopbriggs to Ottaviano | 1,339.63 mi (2,155.92 km) |
| Bishopbriggs to Ovada | 960.50 mi (1,545.78 km) |
| Bishopbriggs to Ozieri | 1,216.31 mi (1,957.46 km) |
| Bishopbriggs to Paceco | 1,460.90 mi (2,351.09 km) |
