| Sofia to Norton Shores (Michigan) | 5,077.42 mi (8,171.32 km) |
| Sofia to Norwalk (California) | 6,608.80 mi (10,635.83 km) |
| Sofia to Norwalk (Connecticut) | 4,671.69 mi (7,518.36 km) |
| Sofia to Norwalk (Iowa) | 5,424.66 mi (8,730.14 km) |
| Sofia to Norwalk (Ohio) | 5,031.50 mi (8,097.41 km) |
| Sofia to Norwich (Connecticut) | 4,598.51 mi (7,400.59 km) |
| Sofia to Norwood (Ohio) | 5,200.86 mi (8,369.98 km) |
| Sofia to Novato (California) | 6,458.05 mi (10,393.22 km) |
| Sofia to Novi (Michigan) | 5,007.48 mi (8,058.76 km) |
| Sofia to O'Fallon (Illinois) | 5,435.87 mi (8,748.19 km) |
| Sofia to O'Fallon (Missouri) | 5,456.15 mi (8,780.83 km) |
| Sofia to Oak Creek (Wisconsin) | 5,150.69 mi (8,289.23 km) |
| Sofia to Oak Forest (Illinois) | 5,207.36 mi (8,380.44 km) |
| Sofia to Oak Grove (Oregon) | 5,998.61 mi (9,653.84 km) |
| Sofia to Oak Grove (South Carolina) | 5,313.26 mi (8,550.86 km) |
