| Romanshorn to Ordu | 1,473.02 mi (2,370.59 km) |
| Romanshorn to Ortahisar | 1,418.87 mi (2,283.45 km) |
| Romanshorn to Ortakent | 1,162.03 mi (1,870.11 km) |
| Romanshorn to Ortaklar | 1,133.58 mi (1,824.33 km) |
| Romanshorn to Ortakoy | 1,377.48 mi (2,216.85 km) |
| Romanshorn to Ortakoy | 1,376.07 mi (2,214.57 km) |
| Romanshorn to Osmaneli | 1,137.34 mi (1,830.37 km) |
| Romanshorn to Osmaniye | 1,542.28 mi (2,482.06 km) |
| Romanshorn to Ozdere | 1,112.33 mi (1,790.12 km) |
| Romanshorn to Palu | 1,646.35 mi (2,649.55 km) |
| Romanshorn to Pamukkale | 1,198.60 mi (1,928.97 km) |
| Romanshorn to Patnos | 1,761.97 mi (2,835.61 km) |
| Romanshorn to Pazar | 1,424.61 mi (2,292.68 km) |
| Romanshorn to Pazarcik | 1,572.31 mi (2,530.38 km) |
| Romanshorn to Pazaryeri | 1,145.50 mi (1,843.50 km) |
