| Modra to Odessa (Texas) | 5,761.25 mi (9,271.84 km) |
| Modra to Ogden (Utah) | 5,518.89 mi (8,881.80 km) |
| Modra to Oildale (California) | 6,055.49 mi (9,745.38 km) |
| Modra to Ojus (Florida) | 5,221.18 mi (8,402.68 km) |
| Modra to Okemos (Michigan) | 4,557.34 mi (7,334.33 km) |
| Modra to Oklahoma City (Oklahoma) | 5,396.46 mi (8,684.76 km) |
| Modra to Okmulgee (Oklahoma) | 5,335.93 mi (8,587.35 km) |
| Modra to Olathe (Kansas) | 5,119.73 mi (8,239.40 km) |
| Modra to Old Jamestown (Missouri) | 4,962.48 mi (7,986.34 km) |
| Modra to Oldsmar (Florida) | 5,219.68 mi (8,400.27 km) |
| Modra to Olean (New York) | 4,364.91 mi (7,024.65 km) |
| Modra to Olive Branch (Mississippi) | 5,147.06 mi (8,283.38 km) |
| Modra to Olivehurst (California) | 5,892.55 mi (9,483.14 km) |
| Modra to Olney (Maryland) | 4,449.07 mi (7,160.08 km) |
| Modra to Olympia (Washington) | 5,426.92 mi (8,733.79 km) |
