| Tulcea to Somersworth (New Hampshire) | 4,590.28 mi (7,387.34 km) |
| Tulcea to Somerton (Arizona) | 6,595.15 mi (10,613.87 km) |
| Tulcea to Somerville (Massachusetts) | 4,637.57 mi (7,463.45 km) |
| Tulcea to Somerville (New Jersey) | 4,856.59 mi (7,815.92 km) |
| Tulcea to Sonoma (California) | 6,398.20 mi (10,296.91 km) |
| Tulcea to Soquel (California) | 6,472.53 mi (10,416.53 km) |
| Tulcea to South Bend (Indiana) | 5,223.46 mi (8,406.34 km) |
| Tulcea to South Bradenton (Florida) | 5,825.18 mi (9,374.72 km) |
| Tulcea to South Burlington (Vermont) | 4,623.05 mi (7,440.08 km) |
| Tulcea to South Charleston (West Virginia) | 5,232.82 mi (8,421.42 km) |
| Tulcea to South Daytona (Florida) | 5,673.44 mi (9,130.52 km) |
| Tulcea to South El Monte (California) | 6,581.76 mi (10,592.32 km) |
| Tulcea to South Elgin (Illinois) | 5,275.66 mi (8,490.35 km) |
| Tulcea to South Euclid (Ohio) | 5,065.83 mi (8,152.66 km) |
| Tulcea to South Farmingdale (New York) | 4,805.05 mi (7,732.98 km) |
