| Penafiel to Kinston (North Carolina) | 3,683.56 mi (5,928.12 km) |
| Penafiel to Kirkland (Washington) | 5,087.10 mi (8,186.90 km) |
| Penafiel to Kirksville (Missouri) | 4,225.79 mi (6,800.74 km) |
| Penafiel to Kirkwood (Missouri) | 4,185.39 mi (6,735.73 km) |
| Penafiel to Kiryas Joel (New York) | 3,333.41 mi (5,364.61 km) |
| Penafiel to Kissimmee (Florida) | 4,124.76 mi (6,638.15 km) |
| Penafiel to Klamath Falls (Oregon) | 5,337.93 mi (8,590.57 km) |
| Penafiel to Knightdale (North Carolina) | 3,711.05 mi (5,972.35 km) |
| Penafiel to Knik-Fairview (Alaska) | 5,017.47 mi (8,074.83 km) |
| Penafiel to Knoxville (Tennessee) | 3,971.08 mi (6,390.84 km) |
| Penafiel to Kokomo (Indiana) | 3,922.17 mi (6,312.12 km) |
| Penafiel to Kuna (Idaho) | 5,079.65 mi (8,174.91 km) |
| Penafiel to Kyle (Texas) | 4,870.89 mi (7,838.94 km) |
| Penafiel to La Cañada Flintridge (California) | 5,588.55 mi (8,993.90 km) |
| Penafiel to La Crescenta-Montrose (California) | 5,588.90 mi (8,994.46 km) |
