| Sintra to Norton Shores (Michigan) | 3,875.74 mi (6,237.41 km) |
| Sintra to Norwalk (California) | 5,653.46 mi (9,098.36 km) |
| Sintra to Norwalk (Connecticut) | 3,316.57 mi (5,337.51 km) |
| Sintra to Norwalk (Iowa) | 4,267.68 mi (6,868.17 km) |
| Sintra to Norwalk (Ohio) | 3,757.98 mi (6,047.89 km) |
| Sintra to Norwich (Connecticut) | 3,241.38 mi (5,216.50 km) |
| Sintra to Norwood (Ohio) | 3,906.19 mi (6,286.40 km) |
| Sintra to Novato (California) | 5,641.41 mi (9,078.96 km) |
| Sintra to Novi (Michigan) | 3,766.05 mi (6,060.87 km) |
| Sintra to O'Fallon (Illinois) | 4,185.94 mi (6,736.62 km) |
| Sintra to O'Fallon (Missouri) | 4,217.98 mi (6,788.18 km) |
| Sintra to Oak Creek (Wisconsin) | 3,959.66 mi (6,372.45 km) |
| Sintra to Oak Forest (Illinois) | 3,990.26 mi (6,421.71 km) |
| Sintra to Oak Grove (Oregon) | 5,298.24 mi (8,526.70 km) |
| Sintra to Oak Grove (South Carolina) | 3,901.17 mi (6,278.32 km) |
