| Gaithersburg to Paimio | 4,222.01 mi (6,794.67 km) |
| Gaithersburg to Pargas | 4,215.12 mi (6,783.57 km) |
| Gaithersburg to Pedersore | 4,116.31 mi (6,624.56 km) |
| Gaithersburg to Pieksamaki | 4,283.79 mi (6,894.10 km) |
| Gaithersburg to Pirkkala | 4,215.38 mi (6,784.00 km) |
| Gaithersburg to Pori | 4,161.31 mi (6,696.98 km) |
| Gaithersburg to Porvoo | 4,311.19 mi (6,938.20 km) |
| Gaithersburg to Poytya | 4,210.08 mi (6,775.47 km) |
| Gaithersburg to Raahe | 4,130.13 mi (6,646.80 km) |
| Gaithersburg to Raisio | 4,205.00 mi (6,767.30 km) |
| Gaithersburg to Raseborg | 4,260.11 mi (6,855.98 km) |
| Gaithersburg to Rauma | 4,163.88 mi (6,701.12 km) |
| Gaithersburg to Riihimaki | 4,273.02 mi (6,876.76 km) |
| Gaithersburg to Rovaniemi | 4,102.02 mi (6,601.56 km) |
| Gaithersburg to Saaminki | 4,347.47 mi (6,996.57 km) |
