| Opelousas to Noventa Vicentina | 5,347.37 mi (8,605.77 km) |
| Opelousas to Novi di Modena | 5,334.65 mi (8,585.29 km) |
| Opelousas to Novi Ligure | 5,249.46 mi (8,448.19 km) |
| Opelousas to Nuoro | 5,426.77 mi (8,733.54 km) |
| Opelousas to Occhiobello | 5,362.24 mi (8,629.69 km) |
| Opelousas to Oderzo | 5,369.31 mi (8,641.07 km) |
| Opelousas to Oggiono | 5,238.67 mi (8,430.82 km) |
| Opelousas to Olbia | 5,413.26 mi (8,711.80 km) |
| Opelousas to Oleggio | 5,214.67 mi (8,392.20 km) |
| Opelousas to Olgiate Comasco | 5,222.56 mi (8,404.90 km) |
| Opelousas to Olgiate Olona | 5,224.10 mi (8,407.38 km) |
| Opelousas to Omegna | 5,195.82 mi (8,361.86 km) |
| Opelousas to Opera | 5,246.64 mi (8,443.65 km) |
| Opelousas to Oppeano | 5,332.17 mi (8,581.30 km) |
| Opelousas to Orbassano | 5,187.66 mi (8,348.74 km) |
