| Sliven to Norton Shores (Michigan) | 5,186.07 mi (8,346.18 km) |
| Sliven to Norwalk (California) | 6,686.57 mi (10,760.99 km) |
| Sliven to Norwalk (Connecticut) | 4,794.59 mi (7,716.15 km) |
| Sliven to Norwalk (Iowa) | 5,527.68 mi (8,895.94 km) |
| Sliven to Norwalk (Ohio) | 5,146.27 mi (8,282.13 km) |
| Sliven to Norwich (Connecticut) | 4,721.88 mi (7,599.13 km) |
| Sliven to Norwood (Ohio) | 5,316.60 mi (8,556.24 km) |
| Sliven to Novato (California) | 6,523.93 mi (10,499.25 km) |
| Sliven to Novi (Michigan) | 5,119.76 mi (8,239.45 km) |
| Sliven to O'Fallon (Illinois) | 5,546.77 mi (8,926.67 km) |
| Sliven to O'Fallon (Missouri) | 5,565.95 mi (8,957.53 km) |
| Sliven to Oak Creek (Wisconsin) | 5,258.06 mi (8,462.03 km) |
| Sliven to Oak Forest (Illinois) | 5,316.62 mi (8,556.27 km) |
| Sliven to Oak Grove (Oregon) | 6,057.32 mi (9,748.32 km) |
| Sliven to Oak Grove (South Carolina) | 5,438.31 mi (8,752.12 km) |
