| Timonium to Orbetello | 4,368.54 mi (7,030.49 km) |
| Timonium to Oria | 4,721.20 mi (7,598.04 km) |
| Timonium to Oristano | 4,338.53 mi (6,982.19 km) |
| Timonium to Orta Nova | 4,605.83 mi (7,412.37 km) |
| Timonium to Orte | 4,419.38 mi (7,112.30 km) |
| Timonium to Ortona | 4,511.14 mi (7,259.99 km) |
| Timonium to Orvieto | 4,398.22 mi (7,078.25 km) |
| Timonium to Orzinuovi | 4,213.19 mi (6,780.47 km) |
| Timonium to Osimo | 4,430.80 mi (7,130.69 km) |
| Timonium to Ospitaletto | 4,214.10 mi (6,781.94 km) |
| Timonium to Ostuni | 4,710.01 mi (7,580.04 km) |
| Timonium to Ottaviano | 4,569.62 mi (7,354.09 km) |
| Timonium to Ovada | 4,182.40 mi (6,730.93 km) |
| Timonium to Ozieri | 4,333.85 mi (6,974.66 km) |
| Timonium to Paceco | 4,589.26 mi (7,385.70 km) |
