| Modesto to Oerlinghausen | 5,543.99 mi (8,922.18 km) |
| Modesto to Oestrich-Winkel | 5,632.58 mi (9,064.76 km) |
| Modesto to Offenburg | 5,713.70 mi (9,195.31 km) |
| Modesto to Oftersheim | 5,682.91 mi (9,145.76 km) |
| Modesto to Ohrdruf | 5,660.58 mi (9,109.82 km) |
| Modesto to Ohringen | 5,717.46 mi (9,201.36 km) |
| Modesto to Olbernhau | 5,736.00 mi (9,231.21 km) |
| Modesto to Olching | 5,822.37 mi (9,370.19 km) |
| Modesto to Oldenburg | 5,468.45 mi (8,800.62 km) |
| Modesto to Oldenburg in Holstein | 5,472.16 mi (8,806.60 km) |
| Modesto to Olfen | 5,523.26 mi (8,888.83 km) |
| Modesto to Olpe | 5,573.10 mi (8,969.03 km) |
| Modesto to Olsberg | 5,572.59 mi (8,968.21 km) |
| Modesto to Oranienburg | 5,615.35 mi (9,037.03 km) |
| Modesto to Ortenberg | 5,642.07 mi (9,080.03 km) |
