| Tulcea to Kenosha (Wisconsin) | 5,229.85 mi (8,416.63 km) |
| Tulcea to Kent (Ohio) | 5,078.73 mi (8,173.42 km) |
| Tulcea to Kent (Washington) | 5,802.90 mi (9,338.87 km) |
| Tulcea to Kentwood (Michigan) | 5,137.99 mi (8,268.80 km) |
| Tulcea to Kerman (California) | 6,453.14 mi (10,385.33 km) |
| Tulcea to Kernersville (North Carolina) | 5,284.27 mi (8,504.20 km) |
| Tulcea to Kerrville (Texas) | 6,297.14 mi (10,134.27 km) |
| Tulcea to Kettering (Maryland) | 5,020.56 mi (8,079.81 km) |
| Tulcea to Kettering (Ohio) | 5,252.05 mi (8,452.35 km) |
| Tulcea to Kewanee (Illinois) | 5,368.79 mi (8,640.24 km) |
| Tulcea to Key Biscayne (Florida) | 5,817.27 mi (9,361.99 km) |
| Tulcea to Key Largo (Florida) | 5,856.75 mi (9,425.53 km) |
| Tulcea to Key West (Florida) | 5,942.48 mi (9,563.50 km) |
| Tulcea to Keystone (Florida) | 5,791.10 mi (9,319.88 km) |
| Tulcea to Kihei (Hawaii) | 7,867.77 mi (12,661.95 km) |
