| Opelousas to Ondokuzmayis | 6,464.53 mi (10,403.66 km) |
| Opelousas to Ordu | 6,553.60 mi (10,547.00 km) |
| Opelousas to Ortahisar | 6,565.24 mi (10,565.73 km) |
| Opelousas to Ortakent | 6,339.49 mi (10,202.42 km) |
| Opelousas to Ortaklar | 6,312.39 mi (10,158.81 km) |
| Opelousas to Ortakoy | 6,528.50 mi (10,506.61 km) |
| Opelousas to Ortakoy | 6,496.76 mi (10,455.52 km) |
| Opelousas to Osmaneli | 6,297.51 mi (10,134.86 km) |
| Opelousas to Osmaniye | 6,694.79 mi (10,774.23 km) |
| Opelousas to Ozdere | 6,291.06 mi (10,124.48 km) |
| Opelousas to Palu | 6,744.47 mi (10,854.17 km) |
| Opelousas to Pamukkale | 6,376.37 mi (10,261.78 km) |
| Opelousas to Patnos | 6,814.89 mi (10,967.51 km) |
| Opelousas to Pazar | 6,535.42 mi (10,517.74 km) |
| Opelousas to Pazarcik | 6,712.77 mi (10,803.16 km) |
