| Alton to Ondokuzmayis | 1,866.03 mi (3,003.09 km) |
| Alton to Ordu | 1,963.53 mi (3,159.99 km) |
| Alton to Ortahisar | 1,930.95 mi (3,107.57 km) |
| Alton to Ortakent | 1,688.31 mi (2,717.06 km) |
| Alton to Ortaklar | 1,659.54 mi (2,670.78 km) |
| Alton to Ortakoy | 1,891.05 mi (3,043.35 km) |
| Alton to Ortakoy | 1,878.82 mi (3,023.67 km) |
| Alton to Osmaneli | 1,653.49 mi (2,661.03 km) |
| Alton to Osmaniye | 2,057.08 mi (3,310.54 km) |
| Alton to Ozdere | 1,638.37 mi (2,636.71 km) |
| Alton to Palu | 2,144.51 mi (3,451.25 km) |
| Alton to Pamukkale | 1,723.26 mi (2,773.32 km) |
| Alton to Patnos | 2,248.38 mi (3,618.42 km) |
| Alton to Pazar | 1,924.47 mi (3,097.14 km) |
| Alton to Pazarcik | 2,083.18 mi (3,352.56 km) |
