| Waltham to Kihei (Hawaii) | 5,025.60 mi (8,087.92 km) |
| Waltham to Kilgore (Texas) | 1,461.76 mi (2,352.48 km) |
| Waltham to Killeen (Texas) | 1,652.18 mi (2,658.93 km) |
| Waltham to King City (California) | 2,662.59 mi (4,285.02 km) |
| Waltham to King of Prussia (Pennsylvania) | 267.06 mi (429.79 km) |
| Waltham to Kingman (Arizona) | 2,330.01 mi (3,749.79 km) |
| Waltham to Kings Mountain (North Carolina) | 734.18 mi (1,181.56 km) |
| Waltham to Kings Park (New York) | 146.53 mi (235.82 km) |
| Waltham to Kings Park West (Virginia) | 402.09 mi (647.11 km) |
| Waltham to Kingsburg (California) | 2,574.18 mi (4,142.75 km) |
| Waltham to Kingsland (Georgia) | 986.64 mi (1,587.84 km) |
| Waltham to Kingsport (Tennessee) | 725.58 mi (1,167.71 km) |
| Waltham to Kingston (New York) | 144.60 mi (232.71 km) |
| Waltham to Kingston (Pennsylvania) | 251.41 mi (404.61 km) |
| Waltham to Kingstowne (Virginia) | 398.22 mi (640.88 km) |
